2016-08-07 00:00:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 00:00:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 00:00:00,009 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 00:00:00,017 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 00:00:00,017 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 00:00:00,042 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:00:00,042 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:00:00,042 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 00:00:00,047 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 00:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 00:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 00:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 00:04:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 00:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 00:05:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 00:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 00:06:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 00:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 00:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 00:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 00:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 00:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 00:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 00:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:10:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 00:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 00:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 00:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 00:12:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 00:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 00:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 00:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 00:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 00:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 00:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 00:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 00:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 00:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 00:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 00:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 00:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 00:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 00:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 00:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 00:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 00:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 00:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 00:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 00:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 00:25:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 00:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 00:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 00:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 00:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 00:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 00:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 00:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 00:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 00:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:30:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 00:30:00,015 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:30:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 00:30:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 00:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 00:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 00:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 00:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 00:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 00:35:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 00:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 00:36:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 00:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 00:38:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 00:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 00:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 00:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 00:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 00:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 00:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 00:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 00:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 00:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 00:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 00:44:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 00:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 00:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 00:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 00:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 00:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 00:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 00:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 00:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 00:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 00:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 00:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 00:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 00:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 00:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 00:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 00:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 00:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 00:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 00:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 00:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 00:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 00:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 00:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 00:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 00:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 00:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 00:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 01:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 01:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 01:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 01:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 01:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 01:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 01:00:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 01:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 01:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 01:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 01:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 01:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 01:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 01:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 01:06:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 01:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 01:08:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 01:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 01:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 01:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 01:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 01:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:10:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 01:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 01:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 01:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 01:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 01:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 01:14:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 01:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 01:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 01:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 01:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 01:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 01:18:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 01:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 01:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 01:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 01:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 01:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:20:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 01:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:20:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 01:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 01:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 01:22:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 01:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 01:24:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 01:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 01:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 01:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 01:26:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 01:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 01:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 01:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 01:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 01:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 01:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 01:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 01:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 01:30:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 01:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 01:32:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 01:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 01:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 01:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 01:35:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 01:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 01:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 01:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 01:38:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 01:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 01:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 01:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 01:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 01:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 01:40:00,009 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:40:00,009 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:40:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 01:40:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 01:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 01:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 01:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 01:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 01:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 01:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 01:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 01:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 01:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 01:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 01:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 01:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 01:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 01:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 01:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 01:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 01:50:00,018 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 01:50:00,020 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 01:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 01:50:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 01:50:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 01:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 01:52:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 01:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 01:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 01:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 01:55:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 01:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 01:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 01:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 01:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 02:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 02:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 02:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 02:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 02:00:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 02:00:00,015 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:00:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 02:00:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 02:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 02:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 02:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 02:04:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 02:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 02:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 02:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 02:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 02:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 02:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 02:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 02:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 02:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 02:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 02:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 02:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:10:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 02:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 02:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 02:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 02:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 02:14:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 02:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 02:15:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 02:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 02:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 02:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 02:18:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 02:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 02:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 02:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 02:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 02:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 02:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 02:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 02:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 02:22:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 02:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 02:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 02:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 02:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 02:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 02:26:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 02:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 02:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 02:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 02:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 02:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 02:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 02:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 02:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:30:00,022 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:30:00,023 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:30:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 02:30:00,028 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 02:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 02:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 02:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 02:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 02:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 02:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 02:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 02:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 02:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 02:38:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 02:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 02:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 02:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 02:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 02:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:40:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 02:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 02:40:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 02:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 02:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 02:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 02:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 02:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 02:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 02:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 02:46:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 02:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 02:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 02:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 02:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 02:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 02:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 02:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 02:50:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 02:50:00,019 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 02:50:00,020 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 02:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 02:50:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 02:50:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 02:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 02:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 02:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 02:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 02:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 02:55:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 02:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 02:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 02:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 02:58:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 03:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 03:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 03:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 03:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 03:00:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 03:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 03:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 03:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 03:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 03:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 03:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 03:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 03:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 03:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 03:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 03:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 03:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 03:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 03:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 03:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 03:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 03:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 03:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 03:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 03:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 03:12:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 03:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 03:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 03:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 03:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 03:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 03:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 03:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 03:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 03:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 03:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 03:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 03:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 03:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:20:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 03:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 03:20:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 03:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 03:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 03:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 03:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 03:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 03:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 03:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 03:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 03:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 03:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 03:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 03:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 03:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 03:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 03:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 03:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 03:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 03:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 03:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 03:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 03:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 03:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 03:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 03:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 03:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 03:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 03:38:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 03:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 03:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 03:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 03:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 03:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 03:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 03:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 03:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 03:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 03:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 03:44:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 03:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 03:45:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 03:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 03:46:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 03:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 03:48:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 03:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 03:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 03:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 03:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 03:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 03:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 03:50:00,015 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 03:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 03:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 03:50:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 03:50:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 03:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 03:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 03:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 03:54:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 03:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 03:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 03:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 03:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 03:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 03:58:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 04:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 04:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 04:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 04:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 04:00:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 04:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 04:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 04:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 04:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 04:04:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 04:04:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 04:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 04:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 04:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 04:06:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 04:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 04:08:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 04:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 04:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 04:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 04:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 04:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 04:10:00,012 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:10:00,012 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:10:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 04:10:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 04:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 04:12:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 04:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 04:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 04:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 04:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 04:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 04:16:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 04:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 04:18:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 04:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 04:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 04:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 04:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 04:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 04:20:00,012 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:20:00,013 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:20:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 04:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 04:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 04:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 04:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 04:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 04:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 04:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 04:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 04:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 04:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 04:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 04:30:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 04:30:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 04:30:00,004 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 04:30:00,005 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 04:30:00,006 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:30:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 04:30:00,014 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:30:00,015 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:30:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 04:30:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 04:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 04:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 04:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 04:34:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 04:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 04:35:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 04:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 04:36:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 04:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 04:38:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 04:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 04:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 04:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 04:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 04:40:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 04:40:00,010 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:40:00,010 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:40:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 04:40:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 04:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 04:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 04:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 04:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 04:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 04:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 04:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 04:46:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 04:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 04:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 04:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 04:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 04:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 04:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 04:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 04:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 04:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 04:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 04:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 04:50:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 04:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 04:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 04:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 04:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 04:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 04:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 04:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 04:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 04:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 04:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 04:58:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 05:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 05:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 05:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 05:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 05:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 05:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 05:00:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 05:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 05:02:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 05:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 05:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 05:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 05:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 05:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 05:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 05:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:08:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 05:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 05:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 05:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 05:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 05:10:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 05:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:10:00,018 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:10:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 05:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 05:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 05:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 05:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 05:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 05:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 05:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 05:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 05:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 05:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 05:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 05:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 05:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 05:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 05:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 05:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 05:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 05:20:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 05:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 05:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 05:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 05:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 05:25:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 05:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 05:26:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 05:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 05:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 05:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 05:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 05:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 05:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 05:30:00,007 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 05:30:00,009 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:30:00,022 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:30:00,023 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:30:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 05:30:00,024 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 05:30:00,024 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 05:30:00,024 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:32:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 05:32:00,000 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 05:32:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 05:32:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:34:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:32:00,018 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:34:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:32:00,019 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:34:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:32:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 05:32:00,020 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 05:32:00,021 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 05:32:00,021 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:34:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 05:34:00,000 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 05:34:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 05:34:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:36:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:34:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:36:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:34:00,017 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:36:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:34:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 05:34:00,018 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 05:34:00,018 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 05:34:00,019 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:36:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 05:35:00,000 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 05:35:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 05:35:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) ... 84 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:35:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried 2016-08-07 05:35:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] 2016-08-07 05:35:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 05:35:00,018 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 05:35:00,018 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 05:35:00,018 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0022: Error during retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=RETRY_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:36:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 05:36:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 05:36:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:38:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:36:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:38:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:36:00,017 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:38:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:36:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:36:00,018 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 05:36:00,022 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 05:36:00,023 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:38:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 05:38:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 05:38:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 05:38:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:38:00,015 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:38:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:38:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 05:38:00,018 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 05:38:00,018 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 05:38:00,019 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:40:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 05:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 05:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 05:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 05:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:45:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) ... 84 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 05:40:00,015 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:45:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried 2016-08-07 05:40:00,015 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:45:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] 2016-08-07 05:40:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 05:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 05:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 05:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 05:44:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 05:44:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 05:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 05:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 05:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 05:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 05:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 05:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 05:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 05:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 05:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 05:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 05:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 05:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 05:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 05:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 05:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 05:50:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 05:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 05:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 05:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 05:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 05:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 05:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 05:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 05:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 05:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 05:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 06:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 06:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 06:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 06:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 06:00:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:00:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 06:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 06:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 06:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 06:02:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 06:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 06:04:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 06:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 06:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 06:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 06:06:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 06:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 06:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 06:10:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 06:10:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 06:10:00,008 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 06:10:00,008 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 06:10:00,009 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:10:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 06:10:00,019 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:10:00,019 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:10:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 06:10:00,025 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 06:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 06:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 06:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 06:14:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 06:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 06:15:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 06:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 06:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 06:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 06:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 06:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 06:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 06:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 06:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 06:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 06:20:00,011 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:20:00,011 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:20:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 06:20:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 06:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 06:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 06:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 06:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 06:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 06:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 06:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 06:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 06:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 06:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 06:30:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 06:30:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 06:30:00,003 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 06:30:00,004 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 06:30:00,005 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:30:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 06:30:00,014 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:30:00,014 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:30:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 06:30:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 06:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 06:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 06:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 06:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 06:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 06:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 06:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 06:36:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 06:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 06:38:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 06:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 06:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 06:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 06:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 06:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 06:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:40:00,012 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:40:00,013 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:40:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 06:40:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 06:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 06:42:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 06:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 06:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 06:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 06:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 06:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 06:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 06:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 06:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 06:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 06:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 06:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 06:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 06:50:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 06:50:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 06:50:00,011 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 06:50:00,011 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 06:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 06:50:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 06:50:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 06:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 06:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 06:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 06:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 06:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 06:55:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 06:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 06:56:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 06:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 06:58:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 07:00:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 07:00:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 07:00:00,005 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 07:00:00,005 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 07:00:00,005 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:00:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 07:00:00,014 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:00:00,014 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:00:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 07:00:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 07:02:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 07:02:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 07:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 07:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 07:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 07:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 07:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 07:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 07:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 07:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 07:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 07:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 07:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 07:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 07:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:10:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 07:10:00,010 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:10:00,010 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:10:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 07:10:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 07:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 07:12:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 07:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 07:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 07:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 07:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 07:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 07:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 07:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 07:18:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 07:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 07:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 07:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 07:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 07:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 07:20:00,012 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:20:00,013 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:20:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 07:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 07:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 07:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 07:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 07:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 07:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 07:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 07:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 07:26:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 07:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 07:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 07:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 07:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 07:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 07:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 07:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 07:30:00,014 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:30:00,014 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:30:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 07:30:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 07:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 07:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 07:34:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 07:34:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 07:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 07:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 07:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 07:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 07:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 07:38:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 07:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 07:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 07:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 07:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 07:40:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:40:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 07:40:00,011 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:40:00,011 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:40:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 07:40:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 07:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 07:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 07:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 07:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 07:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 07:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 07:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 07:46:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 07:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 07:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 07:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 07:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 07:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 07:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 07:50:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 07:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 07:50:00,011 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 07:50:00,011 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 07:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 07:50:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 07:50:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 07:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 07:52:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 07:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 07:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 07:55:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 07:55:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 07:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 07:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 07:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 07:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 08:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 08:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 08:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 08:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 08:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 08:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 08:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 08:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 08:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 08:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 08:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 08:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 08:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 08:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 08:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 08:06:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 08:06:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 08:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 08:08:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 08:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 08:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 08:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 08:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 08:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 08:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 08:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 08:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 08:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 08:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 08:12:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 08:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 08:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 08:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 08:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 08:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 08:16:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 08:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 08:18:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 08:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 08:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 08:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 08:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 08:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 08:20:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 08:20:00,018 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 08:20:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 08:20:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 08:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 08:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 08:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 08:24:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 08:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 08:25:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 08:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 08:26:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 08:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 08:28:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 08:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 08:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 08:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 08:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 08:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) ... 84 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:30:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 08:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried 2016-08-07 08:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] 2016-08-07 08:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 08:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 08:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 08:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 08:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 08:34:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 08:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 08:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 08:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 08:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 08:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 08:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 08:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 08:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 08:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 08:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 08:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 08:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 08:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 08:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 08:40:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 08:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 08:42:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 08:44:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 08:44:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 08:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 08:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 08:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 08:46:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 08:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 08:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 08:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 08:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 08:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 08:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 08:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 08:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 08:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 08:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 08:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 08:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 08:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 08:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 08:52:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 08:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 08:54:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 08:55:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 08:55:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 08:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 08:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 08:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 08:58:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 09:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 09:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 09:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 09:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 09:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 09:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 09:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 09:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 09:02:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 09:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 09:04:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 09:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 09:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 09:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 09:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 09:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 09:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 09:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 09:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 09:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 09:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 09:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 09:10:00,015 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:10:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 09:10:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 09:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 09:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 09:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 09:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 09:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 09:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 09:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 09:16:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 09:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 09:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 09:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 09:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 09:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 09:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 09:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 09:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 09:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 09:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 09:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 09:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 09:24:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 09:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 09:25:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 09:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 09:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 09:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 09:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 09:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 09:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 09:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 09:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 09:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:30:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 09:30:00,018 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:30:00,018 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:30:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 09:30:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 09:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 09:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 09:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 09:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 09:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 09:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 09:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 09:36:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 09:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 09:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 09:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 09:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 09:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 09:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 09:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 09:40:00,011 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:40:00,012 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:40:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 09:40:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 09:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 09:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 09:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 09:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 09:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 09:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 09:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 09:46:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 09:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 09:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 09:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 09:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 09:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 09:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 09:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:50:00,012 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 09:50:00,013 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 09:50:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 09:50:00,013 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 09:50:00,013 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 09:50:00,014 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0022: Error during retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 09:52:00 EEST 2016 timerState=RETRY_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.retryTimeout(TimerTask.java:208) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:163) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 50 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 71 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 88 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) ... 6 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 09:50:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 09:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 09:52:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 09:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 09:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 09:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 09:55:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 09:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 09:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 09:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 09:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 10:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 10:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 10:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 10:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 10:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 10:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 10:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 10:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 10:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 10:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 10:04:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 10:05:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 10:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 10:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 10:06:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 10:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 10:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 10:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 10:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 10:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 10:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 10:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 10:10:00,015 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:10:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 10:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 10:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 10:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 10:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 10:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 10:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 10:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 10:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 10:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 10:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 10:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 10:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 10:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 10:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 10:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 10:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 10:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 10:20:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 10:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 10:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 10:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 10:24:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 10:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 10:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 10:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 10:26:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 10:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 10:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 10:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 10:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 10:30:00,000 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 10:30:00,000 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 10:30:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:30:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 10:30:00,010 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:30:00,012 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:30:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 10:30:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 10:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 10:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 10:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 10:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 10:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 10:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 10:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 10:36:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 10:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 10:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 10:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 10:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 10:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 10:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 10:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 10:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:40:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:40:00,020 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:40:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 10:40:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 10:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 10:42:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 10:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 10:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 10:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 10:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 10:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 10:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 10:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 10:48:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 10:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 10:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 10:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 10:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 10:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 10:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 10:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 10:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 10:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 10:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 10:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 10:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 10:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 10:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 10:54:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 10:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 10:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 10:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 10:56:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 10:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 10:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 11:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 11:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 11:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 11:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 11:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 11:00:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:00:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:00:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 11:00:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 11:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 11:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 11:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 11:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 11:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 11:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 11:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 11:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 11:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 11:08:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 11:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 11:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 11:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 11:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 11:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 11:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 11:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 11:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 11:12:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 11:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 11:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 11:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 11:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 11:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 11:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 11:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 11:18:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 11:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 11:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 11:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 11:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 11:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 11:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 11:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 11:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 11:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 11:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 11:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 11:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 11:25:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 11:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 11:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 11:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 11:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 11:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 11:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 11:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 11:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 11:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:30:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 11:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 11:30:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 11:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 11:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 11:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 11:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 11:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 11:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 11:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 11:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 11:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 11:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 11:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 11:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 11:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 11:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 11:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 11:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 11:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 11:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 11:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 11:44:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 11:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 11:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 11:45:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 11:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 11:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 11:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 11:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 11:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 11:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 11:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 11:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 11:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 11:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 11:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 11:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 11:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 11:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 11:50:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 11:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 11:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 11:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 11:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 11:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 11:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 11:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 11:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 11:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 11:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 12:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 12:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 12:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 12:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 12:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:00:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 12:00:00,015 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 12:00:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 12:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 12:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 12:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 12:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 12:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 12:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 12:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 12:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 12:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 12:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 12:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 12:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 12:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 12:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 12:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:10:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 12:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:10:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 12:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 12:12:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 12:12:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 12:14:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 12:14:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 12:15:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 12:15:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 12:16:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 12:16:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 12:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 12:18:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 12:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 12:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 12:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 12:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 12:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 12:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:20:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 12:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 12:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 12:22:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 12:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 12:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 12:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 12:25:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 12:26:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 12:26:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 12:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 12:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 12:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 12:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 12:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 12:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 12:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:30:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 12:30:00,015 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:30:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 12:30:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 12:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 12:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 12:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 12:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 12:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 12:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 12:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 12:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 12:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 12:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 12:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 12:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 12:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 12:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 12:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 12:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 12:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 12:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 12:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 12:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 12:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 12:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 12:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 12:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 12:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 12:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 12:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 12:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 12:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 12:50:00,010 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 12:50:00,010 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 12:50:00,011 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 12:50:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 12:50:00,025 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 12:50:00,025 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 12:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 12:50:00,026 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 12:50:00,029 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 12:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 12:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 12:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 12:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 12:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 12:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 12:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 12:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 12:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 12:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 13:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 13:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 13:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 13:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 13:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:00:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 13:00:00,015 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 13:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 13:00:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 13:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 13:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 13:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 13:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 13:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 13:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 13:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 13:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 13:06:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 13:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 13:08:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 13:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 13:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 13:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 13:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 13:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:10:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 13:10:00,018 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 13:10:00,018 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 13:10:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 13:10:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 13:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 13:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 13:14:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 13:14:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 13:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 13:15:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 13:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 13:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 13:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 13:18:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 13:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 13:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 13:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 13:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 13:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 13:20:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 13:20:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 13:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 13:20:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 13:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 13:22:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 13:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 13:24:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 13:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 13:25:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 13:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 13:26:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 13:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 13:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 13:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 13:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 13:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 13:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 13:30:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) ... 84 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 13:30:00,013 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried 2016-08-07 13:30:00,013 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:35:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] 2016-08-07 13:30:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 13:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 13:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 13:32:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 13:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 13:34:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 13:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 13:35:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 13:36:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 13:36:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 13:38:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 13:38:00,014 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 13:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 13:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 13:40:00,010 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 13:40:00,014 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 13:40:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 13:40:00,015 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:40:00,029 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 13:40:00,030 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 13:40:00,030 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 13:40:00,035 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 13:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 13:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 13:44:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 13:44:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 13:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 13:45:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 13:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 13:46:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 13:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 13:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 13:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 13:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 13:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 13:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 13:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 13:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 13:50:00,020 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 13:50:00,021 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 13:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 13:50:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 13:50:00,025 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 13:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 13:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 13:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 13:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 13:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 13:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 13:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 13:56:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 13:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 13:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 14:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 14:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 14:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 14:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 14:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:00:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 14:00:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:00:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:00:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 14:00:00,026 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 14:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 14:02:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 14:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 14:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 14:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 14:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 14:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 14:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 14:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 14:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 14:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 14:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 14:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 14:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 14:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:10:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 14:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 14:10:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 14:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 14:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 14:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 14:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 14:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 14:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 14:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 14:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 14:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 14:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 14:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 14:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 14:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 14:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 14:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 14:20:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:20:00,019 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:20:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 14:20:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 14:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 14:22:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 14:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 14:24:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 14:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 14:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 14:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 14:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 14:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 14:28:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 14:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 14:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 14:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 14:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 14:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 14:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 14:30:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 14:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 14:32:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 14:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 14:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 14:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 14:35:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 14:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 14:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 14:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 14:38:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 14:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 14:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 14:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 14:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 14:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 14:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:40:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 14:40:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 14:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 14:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 14:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 14:44:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 14:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 14:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 14:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 14:46:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 14:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 14:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 14:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 14:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 14:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 14:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 14:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 14:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 14:50:00,015 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 14:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 14:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 14:50:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 14:50:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 14:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 14:52:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 14:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 14:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 14:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 14:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 14:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 14:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 14:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 14:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 15:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 15:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 15:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 15:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 15:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:00:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 15:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 15:00:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 15:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 15:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 15:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 15:04:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 15:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 15:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 15:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 15:06:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 15:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 15:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 15:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 15:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 15:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 15:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 15:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:10:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 15:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 15:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 15:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 15:12:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 15:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 15:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 15:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 15:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 15:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 15:16:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 15:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 15:18:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 15:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 15:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 15:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 15:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 15:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:20:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 15:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:20:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 15:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 15:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 15:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 15:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 15:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 15:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 15:25:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 15:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 15:26:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 15:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 15:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 15:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 15:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 15:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 15:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 15:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 15:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 15:30:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 15:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 15:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 15:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 15:34:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 15:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 15:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 15:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 15:36:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 15:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 15:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 15:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 15:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 15:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 15:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 15:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 15:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 15:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 15:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 15:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 15:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 15:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 15:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 15:45:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 15:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 15:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 15:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 15:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 15:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 15:50:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 15:50:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 15:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 15:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 15:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 15:50:00,015 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 15:50:00,015 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 15:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 15:50:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 15:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 15:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 15:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 15:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 15:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 15:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 15:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 15:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 15:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 15:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 15:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 16:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 16:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 16:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 16:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 16:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 16:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 16:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 16:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 16:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 16:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 16:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 16:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 16:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 16:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 16:06:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 16:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 16:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 16:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 16:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 16:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 16:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 16:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 16:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 16:10:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 16:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 16:12:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 16:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 16:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 16:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 16:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 16:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 16:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 16:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 16:18:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 16:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 16:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 16:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 16:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 16:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:20:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 16:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 16:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 16:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 16:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 16:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 16:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 16:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 16:25:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 16:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 16:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 16:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 16:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 16:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 16:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 16:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 16:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 16:30:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:30:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 16:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:30:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 16:30:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 16:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 16:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 16:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 16:34:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 16:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 16:35:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 16:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 16:36:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 16:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 16:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 16:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 16:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 16:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 16:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 16:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 16:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 16:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 16:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 16:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 16:44:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 16:44:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 16:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 16:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 16:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 16:46:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 16:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 16:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 16:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 16:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 16:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 16:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 16:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 16:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 16:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 16:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 16:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 16:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 16:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 16:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 16:52:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 16:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 16:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 16:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 16:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 16:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 16:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 16:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 16:58:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 17:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 17:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 17:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 17:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 17:00:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 17:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 17:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 17:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 17:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 17:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 17:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 17:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 17:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 17:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 17:06:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 17:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 17:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 17:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 17:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 17:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 17:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 17:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:10:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 17:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:10:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 17:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 17:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 17:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 17:14:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 17:14:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 17:15:00,002 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 17:15:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 17:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 17:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 17:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 17:18:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 17:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 17:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 17:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 17:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 17:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:20:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 17:20:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:20:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 17:20:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 17:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 17:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 17:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 17:24:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 17:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 17:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 17:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 17:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 17:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 17:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 17:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 17:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 17:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 17:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 17:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 17:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 17:30:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 17:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 17:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 17:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 17:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 17:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 17:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 17:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 17:36:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 17:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 17:38:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 17:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 17:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 17:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 17:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 17:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 17:40:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:40:00,019 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:40:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 17:40:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 17:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 17:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 17:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 17:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 17:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 17:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 17:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 17:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 17:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 17:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 17:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 17:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 17:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 17:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 17:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 17:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 17:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 17:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 17:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 17:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 17:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 17:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 17:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 17:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 17:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 17:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 17:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 17:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 17:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 17:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 17:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 18:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 18:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 18:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 18:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 18:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 18:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 18:00:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 18:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 18:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 18:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 18:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 18:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 18:05:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 18:06:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 18:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 18:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 18:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 18:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 18:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 18:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 18:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 18:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 18:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 18:10:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 18:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 18:12:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 18:14:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 18:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 18:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 18:15:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 18:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 18:16:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 18:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 18:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 18:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 18:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 18:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 18:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 18:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:20:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 18:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:20:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:20:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 18:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 18:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 18:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 18:24:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 18:24:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 18:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 18:25:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 18:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 18:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 18:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 18:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 18:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 18:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 18:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 18:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 18:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:30:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 18:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:30:00,025 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:30:00,025 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 18:30:00,029 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 18:32:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 18:32:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 18:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 18:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 18:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 18:35:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 18:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 18:36:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 18:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 18:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 18:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 18:40:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 18:40:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 18:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 18:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:40:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 18:40:00,015 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 18:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 18:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 18:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 18:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 18:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 18:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 18:45:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 18:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 18:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 18:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 18:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 18:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 18:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 18:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 18:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 18:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 18:50:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 18:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 18:50:00,018 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 18:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 18:50:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 18:50:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 18:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 18:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 18:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 18:54:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 18:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 18:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 18:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 18:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 18:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 18:58:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 19:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 19:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 19:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 19:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 19:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:00:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 19:00:00,015 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:00:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 19:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 19:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 19:02:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 19:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 19:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 19:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 19:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 19:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 19:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 19:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 19:08:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 19:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 19:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 19:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 19:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 19:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 19:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:10:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 19:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 19:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 19:12:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 19:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 19:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 19:15:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 19:15:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 19:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 19:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 19:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 19:18:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 19:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 19:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 19:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 19:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 19:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:20:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 19:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:20:00,017 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:20:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 19:20:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 19:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 19:22:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 19:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 19:24:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 19:25:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 19:25:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 19:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 19:26:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 19:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 19:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 19:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 19:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 19:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 19:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 19:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 19:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 19:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 19:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 19:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 19:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 19:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 19:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 19:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 19:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 19:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 19:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 19:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 19:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 19:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 19:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 19:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 19:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:40:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 19:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 19:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 19:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 19:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 19:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 19:44:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 19:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 19:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 19:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 19:46:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 19:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 19:48:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 19:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 19:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 19:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 19:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 19:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 19:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 19:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 19:50:00,018 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 19:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 19:50:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 19:50:00,023 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 19:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 19:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 19:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 19:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 19:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 19:55:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 19:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 19:56:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 19:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 19:58:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 20:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 20:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 20:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 20:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 20:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 20:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 20:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 20:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 20:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 20:02:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 20:02:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 20:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 20:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 20:05:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 20:05:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 20:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 20:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 20:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 20:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 20:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 20:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 20:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 20:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 20:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:15:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) ... 84 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:10:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 20:10:00,015 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:15:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried 2016-08-07 20:10:00,016 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b6de0b6e-b685-4cb7-a1b5-dc85c59641b9 timedObjectId=pvsketch.pvsketch.SubscriptionPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@23e6dffe initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:15:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] 2016-08-07 20:10:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 20:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 20:12:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 20:12:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 20:14:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 20:14:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 20:15:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 20:15:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 20:16:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 20:16:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 20:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 20:18:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 20:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 20:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 20:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 20:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 20:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 20:20:00,030 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 20:20:00,030 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 20:20:00,031 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 20:20:00,034 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 20:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 20:22:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 20:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 20:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 20:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 20:25:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 20:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 20:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 20:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 20:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 20:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 20:30:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 20:30:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 20:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 20:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:30:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 20:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 20:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 20:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 20:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 20:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 20:32:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 20:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 20:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 20:35:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 20:35:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 20:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 20:36:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 20:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 20:38:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 20:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 20:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 20:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 20:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 20:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 20:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:40:00,019 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 20:40:00,020 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 20:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 20:40:00,025 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 20:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 20:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 20:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 20:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 20:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 20:45:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 20:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 20:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 20:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 20:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 20:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 20:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 20:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 20:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 20:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 20:50:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 20:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 20:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 20:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 20:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 20:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 20:52:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 20:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 20:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 20:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 20:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 20:55:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 20:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 20:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 20:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 20:58:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 21:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 21:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 21:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 21:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 21:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 21:00:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:00:00,018 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:00:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 21:00:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 21:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 21:02:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 21:04:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 21:04:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 21:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 21:05:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 21:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 21:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 21:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 21:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 21:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 21:10:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 21:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 21:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 21:10:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:10:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 21:10:00,019 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:10:00,020 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:10:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 21:10:00,025 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 21:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 21:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 21:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 21:14:00,012 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 21:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 21:15:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 21:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 21:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 21:18:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 21:18:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 21:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 21:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 21:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 21:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 21:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 21:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:20:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 21:20:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 21:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 21:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 21:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 21:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 21:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 21:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 21:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 21:26:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 21:28:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 21:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 21:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 21:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 21:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 21:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 21:30:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:30:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 21:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 21:30:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 21:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 21:32:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 21:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 21:34:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 21:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 21:35:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 21:36:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 21:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 21:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 21:38:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 21:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 21:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 21:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 21:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 21:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:40:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 21:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:40:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 21:40:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 21:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 21:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 21:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 21:44:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 21:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 21:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 21:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 21:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 21:48:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 21:48:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 21:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 21:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 21:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 21:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 21:50:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 21:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 21:50:00,025 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 21:50:00,026 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 21:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 21:50:00,027 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 21:50:00,030 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 21:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 21:52:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 21:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 21:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 21:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 21:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 21:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 21:56:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 21:58:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 21:58:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 22:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 22:00:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 22:00:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 22:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 22:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:00:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 22:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:00:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 22:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 22:02:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 22:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 22:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 22:04:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 22:05:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 22:05:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 22:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 22:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 22:08:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 22:08:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 22:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 22:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 22:10:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 22:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 22:10:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:10:00,010 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:10:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 22:10:00,011 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:10:00,011 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 22:10:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 22:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 22:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 22:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 22:14:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 22:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 22:15:00,015 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 22:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 22:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 22:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 22:18:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 22:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 22:20:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 22:20:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003 2016-08-07 22:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed. 2016-08-07 22:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:20:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 22:20:00,033 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:20:00,033 INFO [org.jboss.as.ejb3] (EJB default - 7) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:20:00,034 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 22:20:00,038 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 22:22:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 22:22:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 22:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 22:24:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 22:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 22:25:00,009 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 22:26:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 22:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 22:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 22:28:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 22:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 22:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 22:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003 2016-08-07 22:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed. 2016-08-07 22:30:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 22:30:00,016 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 6) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:30:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 22:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 22:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 22:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 22:34:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 22:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 22:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 22:35:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 22:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 22:36:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 22:38:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 22:38:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 22:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start... 2016-08-07 22:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 22:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003 2016-08-07 22:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed. 2016-08-07 22:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end... 2016-08-07 22:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:40:00,016 INFO [org.jboss.as.ejb3] (EJB default - 9) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:40:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 22:40:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 22:42:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 22:42:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 22:44:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 22:44:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 22:45:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 22:45:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 22:46:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 22:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 22:48:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 22:48:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 22:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start... 2016-08-07 22:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 22:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003 2016-08-07 22:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed. 2016-08-07 22:50:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 22:50:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end... 2016-08-07 22:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 22:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 10) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 22:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 22:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 22:50:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 22:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 22:52:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 22:54:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 22:54:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 22:55:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 22:55:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 22:56:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 22:56:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 22:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 22:58:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 23:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start... 2016-08-07 23:00:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 23:00:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003 2016-08-07 23:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed. 2016-08-07 23:00:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:00:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end... 2016-08-07 23:00:00,016 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:00:00,017 INFO [org.jboss.as.ejb3] (EJB default - 1) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:00:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 23:00:00,021 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 23:02:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 23:02:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 23:04:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 23:04:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 23:05:00,003 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 23:05:00,013 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 23:06:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 23:06:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 23:08:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 23:08:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 23:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start... 2016-08-07 23:10:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 23:10:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003 2016-08-07 23:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed. 2016-08-07 23:10:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end... 2016-08-07 23:10:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:10:00,018 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:10:00,019 INFO [org.jboss.as.ejb3] (EJB default - 3) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:10:00,019 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 23:10:00,024 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 23:12:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 23:12:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 23:14:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 23:14:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 23:15:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 23:15:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 23:16:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 23:16:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 23:18:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 23:18:00,010 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 23:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start... 2016-08-07 23:20:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 23:20:00,001 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003 2016-08-07 23:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed. 2016-08-07 23:20:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:20:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end... 2016-08-07 23:20:00,015 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:20:00,016 INFO [org.jboss.as.ejb3] (EJB default - 4) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:20:00,016 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start... 2016-08-07 23:20:00,020 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end... 2016-08-07 23:22:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 23:22:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 23:24:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 23:24:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 23:25:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 23:25:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 23:26:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 23:26:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 23:28:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 23:28:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 23:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start... 2016-08-07 23:30:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 23:30:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003 2016-08-07 23:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed. 2016-08-07 23:30:00,003 ERROR [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:30:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end... 2016-08-07 23:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:30:00,017 INFO [org.jboss.as.ejb3] (EJB default - 2) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:30:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start... 2016-08-07 23:30:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end... 2016-08-07 23:32:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 23:32:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 23:34:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 23:34:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 23:35:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 23:35:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 23:36:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 23:36:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 23:38:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 23:38:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 23:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start... 2016-08-07 23:40:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 23:40:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003 2016-08-07 23:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed. 2016-08-07 23:40:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:40:00,007 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end... 2016-08-07 23:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:40:00,017 INFO [org.jboss.as.ejb3] (EJB default - 5) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:40:00,018 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start... 2016-08-07 23:40:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end... 2016-08-07 23:42:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 23:42:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 23:44:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 23:44:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end... 2016-08-07 23:45:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start... 2016-08-07 23:45:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end... 2016-08-07 23:46:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start... 2016-08-07 23:46:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end... 2016-08-07 23:48:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start... 2016-08-07 23:48:00,004 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end... 2016-08-07 23:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start... 2016-08-07 23:50:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 23:50:00,002 WARN [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003 2016-08-07 23:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed. 2016-08-07 23:50:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0020: Error invoking timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]: javax.ejb.EJBException: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.jboss.as.ejb3.tx.BMTInterceptor.handleException(BMTInterceptor.java:83) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.checkStatelessDone(EjbBMTInterceptor.java:91) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:106) at org.jboss.as.ejb3.tx.BMTInterceptor.processInvocation(BMTInterceptor.java:58) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:73) at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:83) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:53) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.ejb3.concurrency.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:110) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636) at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356) at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:104) at org.jboss.as.ejb3.timerservice.TimedObjectInvokerImpl.callTimeout(TimedObjectInvokerImpl.java:114) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.invokeBeanMethod(CalendarTimerTask.java:66) at org.jboss.as.ejb3.timerservice.CalendarTimerTask.callTimeout(CalendarTimerTask.java:53) at org.jboss.as.ejb3.timerservice.TimerTask.run(TimerTask.java:155) at org.jboss.as.ejb3.timerservice.TimerServiceImpl$Task$1.run(TimerServiceImpl.java:1221) at org.wildfly.extension.requestcontroller.RequestController$QueuedTask$1.run(RequestController.java:497) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at org.jboss.threads.JBossThread.run(JBossThread.java:320) Caused by: javax.persistence.PersistenceException: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1692) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1602) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:492) at com.pvcomplete.pvsketch.api.core.dal.repository.EmailQueueRepositoryImpl.getAllByStatus(EmailQueueRepositoryImpl.java:23) at com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer.execute(EmailPeriodicTimer.java:94) at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.jboss.as.ee.component.ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptor.java:52) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:437) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:82) at org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.processInvocation(Jsr299BindingsInterceptor.java:95) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:57) at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:61) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340) at org.jboss.as.ejb3.tx.EjbBMTInterceptor.handleInvocation(EjbBMTInterceptor.java:103) ... 49 more Caused by: org.hibernate.exception.JDBCConnectionException: could not prepare statement at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:48) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:109) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:182) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:148) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1928) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1897) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) ... 70 more Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.Util.getInstance(Util.java:387) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860) at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1235) at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1230) at com.mysql.jdbc.ConnectionImpl.prepareStatement(ConnectionImpl.java:4132) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.doPrepareStatement(BaseWrapperManagedConnection.java:778) at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnection.prepareStatement(BaseWrapperManagedConnection.java:764) at org.jboss.jca.adapters.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:454) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146) at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172) ... 87 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 78,897 milliseconds ago. The last packet sent successfully to the server was 18,903 milliseconds ago. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:981) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3465) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3365) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3805) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2478) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2625) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2551) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1861) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1962) at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.executeQuery(WrappedPreparedStatement.java:504) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:70) at org.hibernate.loader.Loader.getResultSet(Loader.java:2116) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1899) at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:1875) at org.hibernate.loader.Loader.doQuery(Loader.java:919) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:336) at org.hibernate.loader.Loader.doList(Loader.java:2611) at org.hibernate.loader.Loader.doList(Loader.java:2594) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2423) at org.hibernate.loader.Loader.list(Loader.java:2418) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:501) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:371) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:216) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1326) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:87) at org.hibernate.jpa.internal.QueryImpl.list(QueryImpl.java:606) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:483) at com.pvcomplete.pvsketch.api.core.dal.repository.SubscriptionRepositoryImpl.getExpired(SubscriptionRepositoryImpl.java:19) at com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer.execute(SubscriptionPeriodicTimer.java:91) at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) ... 67 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(Unknown Source) at java.net.SocketInputStream.read(Unknown Source) at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:100) at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:143) at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:173) at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2954) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3375) ... 95 more 2016-08-07 23:50:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end... 2016-08-07 23:50:00,016 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0021: Timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried 2016-08-07 23:50:00,017 INFO [org.jboss.as.ejb3] (EJB default - 8) WFLYEJB0023: Retrying timeout for timer: [id=b31e5a9f-66bd-431d-b207-dc9df02d404e timedObjectId=pvsketch.pvsketch.EmailPeriodicTimer auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@443c19e2 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Sun Aug 07 23:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] 2016-08-07 23:50:00,017 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start... 2016-08-07 23:50:00,022 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end... 2016-08-07 23:52:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start... 2016-08-07 23:52:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end... 2016-08-07 23:54:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start... 2016-08-07 23:54:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end... 2016-08-07 23:55:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start... 2016-08-07 23:55:00,005 INFO [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end... 2016-08-07 23:56:00,001 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start... 2016-08-07 23:56:00,006 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end... 2016-08-07 23:58:00,000 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start... 2016-08-07 23:58:00,008 INFO [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...