2016-08-08 00:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 00:00:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 00:00:00,007 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 00:00:00,008 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 00:00:00,008 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=Mon Aug 08 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

2016-08-08 00:00:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 00:00:00,027 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=Mon Aug 08 00:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 00:00:00,028 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=Mon Aug 08 00:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 00:00:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 00:00:00,033 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 00:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 00:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 00:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 00:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 00:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 00:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 00:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 00:06:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 00:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 00:08:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 00:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 00:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 00:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 00:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 00:10:00,001 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=Mon Aug 08 00:15:00 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

2016-08-08 00:10:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 00:10:00,015 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=Mon Aug 08 00:15:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 00:10:00,016 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=Mon Aug 08 00:15:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 00:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 00:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 00:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 00:12:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 00:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 00:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 00:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 00:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 00:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 00:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 00:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 00:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 00:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 00:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 00:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 00:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 00:20:00,002 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=Mon Aug 08 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

2016-08-08 00:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 00:20:00,018 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=Mon Aug 08 00:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 00:20:00,019 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=Mon Aug 08 00:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 00:20:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 00:20:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 00:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 00:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 00:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 00:24:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 00:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 00:25:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 00:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 00:26:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 00:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 00:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 00:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 00:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 00:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 00:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 00:30:00,002 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=Mon Aug 08 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

2016-08-08 00:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 00:30:00,016 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=Mon Aug 08 00:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 00:30:00,016 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=Mon Aug 08 00:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 00:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 00:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 00:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 00:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 00:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 00:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 00:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 00:35:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 00:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 00:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 00:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 00:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 00:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 00:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 00:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 00:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 00:40:00,001 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=Mon Aug 08 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

2016-08-08 00:40:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 00:40:00,010 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=Mon Aug 08 00:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 00:40:00,010 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=Mon Aug 08 00:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 00:40:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 00:40:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 00:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 00:42:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 00:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 00:44:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 00:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 00:45:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 00:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 00:46:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 00:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 00:48:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 00:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 00:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 00:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 00:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 00:50:00,001 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=Mon Aug 08 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

2016-08-08 00:50:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 00:50:00,010 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=Mon Aug 08 00:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 00:50:00,011 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=Mon Aug 08 00:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 00:50:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 00:50:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 00:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 00:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 00:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 00:54:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 00:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 00:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 00:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 00:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 00:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 00:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 01:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 01:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 01:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 01:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 01:00:00,002 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=Mon Aug 08 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

2016-08-08 01:00:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 01:00:00,012 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=Mon Aug 08 01:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:00:00,012 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=Mon Aug 08 01:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:00:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 01:00:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 01:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 01:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 01:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 01:04:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 01:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 01:05:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 01:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 01:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 01:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 01:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 01:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 01:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 01:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 01:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 01:10:00,002 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=Mon Aug 08 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

2016-08-08 01:10:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 01:10:00,014 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=Mon Aug 08 01:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:10:00,015 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=Mon Aug 08 01:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:10:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 01:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 01:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 01:12:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 01:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 01:14:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 01:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 01:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 01:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 01:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 01:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 01:18:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 01:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 01:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 01:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 01:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 01:20:00,002 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=Mon Aug 08 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

2016-08-08 01:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 01:20:00,016 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=Mon Aug 08 01:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:20:00,016 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=Mon Aug 08 01:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 01:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 01:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 01:22:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 01:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 01:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 01:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 01:25:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 01:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 01:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 01:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 01:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 01:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 01:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 01:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 01:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 01:30:00,002 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=Mon Aug 08 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

2016-08-08 01:30:00,016 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=Mon Aug 08 01:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:30:00,016 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=Mon Aug 08 01:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 01:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 01:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 01:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 01:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 01:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 01:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 01:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 01:35:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 01:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 01:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 01:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 01:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 01:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 01:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 01:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 01:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 01:40:00,002 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=Mon Aug 08 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

2016-08-08 01:40:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 01:40:00,016 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=Mon Aug 08 01:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:40:00,016 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=Mon Aug 08 01:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 01:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 01:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 01:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 01:44:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 01:44:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 01:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 01:45:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 01:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 01:46:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 01:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 01:48:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 01:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 01:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 01:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 01:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 01:50:00,002 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=Mon Aug 08 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

2016-08-08 01:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 01:50:00,016 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=Mon Aug 08 01:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 01:50:00,017 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=Mon Aug 08 01:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 01:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 01:50:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 01:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 01:52:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 01:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 01:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 01:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 01:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 01:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 01:56:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 01:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 01:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 02:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 02:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 02:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 02:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 02:00:00,002 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=Mon Aug 08 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

2016-08-08 02:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 02:00:00,016 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=Mon Aug 08 02:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:00:00,018 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=Mon Aug 08 02:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:00:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 02:00:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 02:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 02:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 02:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 02:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 02:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 02:05:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 02:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 02:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 02:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 02:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 02:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 02:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 02:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 02:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 02:10:00,002 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=Mon Aug 08 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

2016-08-08 02:10:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 02:10:00,012 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=Mon Aug 08 02:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:10:00,013 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=Mon Aug 08 02:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:10:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 02:10:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 02:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 02:12:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 02:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 02:14:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 02:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 02:15:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 02:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 02:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 02:18:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 02:18:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 02:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 02:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 02:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 02:20:00,004 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 02:20:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 02:20:00,007 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=Mon Aug 08 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

2016-08-08 02:20:00,021 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=Mon Aug 08 02:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:20:00,022 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=Mon Aug 08 02:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:20:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 02:20:00,027 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 02:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 02:22:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 02:24:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 02:24:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 02:25:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 02:25:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 02:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 02:26:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 02:28:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 02:28:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 02:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 02:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 02:30:00,012 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 02:30:00,012 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 02:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 02:30:00,013 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=Mon Aug 08 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

2016-08-08 02:30:00,030 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=Mon Aug 08 02:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:30:00,031 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=Mon Aug 08 02:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:30:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 02:30:00,036 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 02:32:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 02:32:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 02:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 02:34:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 02:35:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 02:35:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 02:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 02:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 02:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 02:38:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 02:40:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 02:40:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 02:40:00,011 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 02:40:00,011 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 02:40:00,012 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=Mon Aug 08 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

2016-08-08 02:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 02:40:00,027 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=Mon Aug 08 02:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:40:00,027 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=Mon Aug 08 02:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:40:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 02:40:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 02:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 02:42:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 02:44:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 02:44:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 02:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 02:45:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 02:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 02:46:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 02:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 02:48:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 02:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 02:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 02:50:00,007 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 02:50:00,008 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 02:50:00,008 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=Mon Aug 08 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

2016-08-08 02:50:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 02:50:00,023 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=Mon Aug 08 02:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 02:50:00,023 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=Mon Aug 08 02:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 02:50:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 02:50:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 02:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 02:52:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 02:54:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 02:54:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 02:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 02:55:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 02:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 02:56:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 02:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 02:58:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 03:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 03:00:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 03:00:00,008 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 03:00:00,008 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 03:00:00,009 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=Mon Aug 08 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

2016-08-08 03:00:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 03:00:00,023 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=Mon Aug 08 03:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:00:00,023 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=Mon Aug 08 03:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:00:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 03:00:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 03:02:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 03:02:00,314 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 03:04:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 03:04:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 03:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 03:05:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 03:06:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 03:06:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 03:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 03:08:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 03:10:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 03:10:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 03:10:00,014 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 03:10:00,014 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 03:10:00,014 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=Mon Aug 08 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

2016-08-08 03:10:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 03:10:00,028 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=Mon Aug 08 03:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:10:00,029 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=Mon Aug 08 03:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:10:00,029 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 03:10:00,033 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 03:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 03:12:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 03:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 03:14:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 03:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 03:15:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 03:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 03:16:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 03:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 03:18:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 03:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 03:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 03:20:00,009 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 03:20:00,009 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 03:20:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 03:20:00,011 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=Mon Aug 08 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

2016-08-08 03:20:00,029 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=Mon Aug 08 03:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:20:00,030 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=Mon Aug 08 03:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:20:00,030 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 03:20:00,035 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 03:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 03:22:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 03:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 03:24:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 03:25:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 03:25:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 03:26:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 03:26:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 03:28:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 03:28:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 03:30:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 03:30:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 03:30:00,011 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 03:30:00,012 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 03:30:00,013 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=Mon Aug 08 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

2016-08-08 03:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 03:30:00,026 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=Mon Aug 08 03:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:30:00,027 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=Mon Aug 08 03:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:30:00,027 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 03:30:00,032 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 03:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 03:32:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 03:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 03:34:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 03:35:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 03:35:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 03:36:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 03:36:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 03:38:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 03:38:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 03:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 03:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 03:40:00,009 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 03:40:00,010 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 03:40:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 03:40:00,010 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=Mon Aug 08 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

2016-08-08 03:40:00,025 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=Mon Aug 08 03:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:40:00,026 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=Mon Aug 08 03:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:40:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 03:40:00,030 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 03:42:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 03:42:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 03:44:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 03:44:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 03:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 03:45:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 03:46:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 03:46:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 03:48:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 03:48:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 03:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 03:50:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 03:50:00,011 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 03:50:00,011 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 03:50:00,012 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=Mon Aug 08 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

2016-08-08 03:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 03:50:00,026 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=Mon Aug 08 03:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 03:50:00,026 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=Mon Aug 08 03:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 03:50:00,027 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 03:50:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 03:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 03:52:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 03:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 03:54:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 03:55:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 03:55:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 03:56:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 03:56:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 03:58:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 03:58:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 04:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 04:00:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 04:00:00,004 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 04:00:00,004 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 04:00:00,007 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=Mon Aug 08 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

2016-08-08 04:00:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 04:00:00,021 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=Mon Aug 08 04:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 04:00:00,021 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=Mon Aug 08 04:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 04:00:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 04:00:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 04:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 04:02:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 04:04:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 04:04:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 04:05:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 04:05:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 04:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 04:06:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 04:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 04:08:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 04:10:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 04:10:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 04:10:00,010 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 04:10:00,010 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 04:10:00,011 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=Mon Aug 08 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

2016-08-08 04:10:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 04:10:00,025 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=Mon Aug 08 04:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 04:10:00,025 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=Mon Aug 08 04:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 04:10:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 04:10:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 04:12:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 04:12:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 04:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 04:14:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 04:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 04:15:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 04:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 04:16:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 04:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 04:18:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 04:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 04:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 04:20:00,009 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 04:20:00,010 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 04:20:00,011 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=Mon Aug 08 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

2016-08-08 04:20:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 04:20:00,026 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=Mon Aug 08 04:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 04:20:00,027 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=Mon Aug 08 04:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 04:20:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 04:20:00,033 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 04:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 04:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 04:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 04:24:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 04:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 04:25:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 04:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 04:26:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 04:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 04:28:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 04:30:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 04:30:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 04:30:00,010 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 04:30:00,011 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 04:30:00,013 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=Mon Aug 08 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

2016-08-08 04:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 04:30:00,026 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=Mon Aug 08 04:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 04:30:00,027 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=Mon Aug 08 04:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 04:30:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 04:30:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 04:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 04:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 04:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 04:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 04:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 04:35:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 04:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 04:36:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 04:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 04:38:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 04:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 04:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 04:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 04:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 04:40:00,001 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=Mon Aug 08 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

2016-08-08 04:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 04:40:00,015 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=Mon Aug 08 04:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 04:40:00,016 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=Mon Aug 08 04:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 04:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 04:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 04:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 04:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 04:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 04:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 04:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 04:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 04:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 04:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 04:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 04:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 04:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 04:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 04:50:00,000 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 04:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 04:50:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 4) 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=Mon Aug 08 04:55:00 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

2016-08-08 04:50:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 04:50:00,014 INFO  [org.jboss.as.ejb3] (EJB default - 4) 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=Mon Aug 08 04:55:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 04:50:00,015 INFO  [org.jboss.as.ejb3] (EJB default - 4) 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=Mon Aug 08 04:55:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 04:50:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 04:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 04:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 04:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 04:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 04:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 04:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 04:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 04:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 04:56:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 04:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 04:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 05:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 05:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 05:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 05:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 05:00:00,001 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=Mon Aug 08 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

2016-08-08 05:00:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 05:00:00,015 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=Mon Aug 08 05:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:00:00,016 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=Mon Aug 08 05:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:00:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 05:00:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 05:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 05:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 05:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 05:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 05:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 05:05:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 05:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 05:06:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 05:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 05:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 05:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 05:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 05:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 05:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 05:10:00,002 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=Mon Aug 08 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

2016-08-08 05:10:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 05:10:00,017 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=Mon Aug 08 05:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:10:00,018 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=Mon Aug 08 05:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:10:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 05:10:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 05:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 05:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 05:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 05:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 05:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 05:15:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 05:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 05:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 05:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 05:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 05:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 05:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 05:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 05:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 05:20:00,002 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=Mon Aug 08 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

2016-08-08 05:20:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 05:20:00,016 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=Mon Aug 08 05:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:20:00,017 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=Mon Aug 08 05:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 05:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 05:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 05:22:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 05:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 05:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 05:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 05:25:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 05:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 05:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 05:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 05:28:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 05:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 05:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 05:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 05:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 05:30:00,001 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=Mon Aug 08 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

2016-08-08 05:30:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 05:30:00,015 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=Mon Aug 08 05:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:30:00,015 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=Mon Aug 08 05:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 05:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 05:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 05:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 05:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 05:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 05:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 05:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 05:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 05:36:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 05:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 05:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 05:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 05:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 05:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 05:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 05:40:00,002 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=Mon Aug 08 05:42:00 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

2016-08-08 05:40:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 05:40:00,016 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=Mon Aug 08 05:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:40:00,016 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=Mon Aug 08 05:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 05:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 05:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 05:42:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 05:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 05:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 05:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 05:45:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 05:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 05:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 05:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 05:48:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 05:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 05:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 05:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 05:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 05:50:00,003 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=Mon Aug 08 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

2016-08-08 05:50:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 05:50:00,023 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=Mon Aug 08 05:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 05:50:00,023 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=Mon Aug 08 05:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 05:50:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 05:50:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 05:52:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 05:52:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 05:54:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 05:54:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 05:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 05:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 05:56:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 05:56:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 05:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 05:58:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 06:00:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 06:00:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 06:00:00,011 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 06:00:00,011 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 06:00:00,012 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=Mon Aug 08 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

2016-08-08 06:00:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 06:00:00,025 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=Mon Aug 08 06:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 06:00:00,026 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=Mon Aug 08 06:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 06:00:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 06:00:00,030 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 06:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 06:02:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 06:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 06:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 06:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 06:05:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 06:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 06:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 06:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 06:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 06:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 06:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 06:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 06:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 06:10:00,002 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=Mon Aug 08 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

2016-08-08 06:10:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 06:10:00,015 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=Mon Aug 08 06:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 06:10:00,016 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=Mon Aug 08 06:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 06:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 06:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 06:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 06:12:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 06:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 06:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 06:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 06:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 06:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 06:16:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 06:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 06:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 06:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 06:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 06:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 06:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 06:20:00,001 ERROR [org.jboss.as.ejb3] (EJB default - 3) 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=Mon Aug 08 06:25:00 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

2016-08-08 06:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 06:20:00,015 INFO  [org.jboss.as.ejb3] (EJB default - 3) 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=Mon Aug 08 06:25:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 06:20:00,017 INFO  [org.jboss.as.ejb3] (EJB default - 3) 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=Mon Aug 08 06:25:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 06:20:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 06:20:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 06:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 06:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 06:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 06:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 06:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 06:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 06:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 06:26:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 06:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 06:28:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 06:30:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 06:30:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 06:30:00,003 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 06:30:00,003 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 06:30:00,004 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=Mon Aug 08 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

2016-08-08 06:30:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 06:30:00,018 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=Mon Aug 08 06:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 06:30:00,019 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=Mon Aug 08 06:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 06:30:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 06:30:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 06:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 06:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 06:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 06:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 06:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 06:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 06:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 06:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 06:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 06:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 06:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 06:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 06:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 06:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 06:40:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 06:40:00,002 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=Mon Aug 08 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

2016-08-08 06:40:00,019 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=Mon Aug 08 06:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 06:40:00,020 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=Mon Aug 08 06:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 06:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 06:40:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 06:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 06:42:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 06:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 06:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 06:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 06:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 06:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 06:46:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 06:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 06:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 06:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 06:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 06:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 06:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 06:50:00,001 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=Mon Aug 08 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

2016-08-08 06:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 06:50:00,015 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=Mon Aug 08 06:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 06:50:00,015 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=Mon Aug 08 06:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 06:50:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 06:50:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 06:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 06:52:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 06:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 06:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 06:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 06:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 06:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 06:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 06:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 06:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 07:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 07:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 07:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 07:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 07:00:00,002 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=Mon Aug 08 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

2016-08-08 07:00:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 07:00:00,012 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=Mon Aug 08 07:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:00:00,012 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=Mon Aug 08 07:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:00:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 07:00:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 07:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 07:02:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 07:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 07:04:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 07:05:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 07:05:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 07:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 07:06:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 07:08:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 07:08:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 07:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 07:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 07:10:00,004 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 07:10:00,007 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 07:10:00,007 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=Mon Aug 08 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

2016-08-08 07:10:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 07:10:00,021 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=Mon Aug 08 07:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:10:00,021 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=Mon Aug 08 07:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:10:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 07:10:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 07:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 07:12:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 07:14:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 07:14:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 07:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 07:15:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 07:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 07:16:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 07:18:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 07:18:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 07:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 07:20:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 07:20:00,012 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 07:20:00,012 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 07:20:00,013 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=Mon Aug 08 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

2016-08-08 07:20:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 07:20:00,026 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=Mon Aug 08 07:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:20:00,027 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=Mon Aug 08 07:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:20:00,035 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 07:20:00,039 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 07:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 07:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 07:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 07:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 07:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 07:25:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 07:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 07:26:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 07:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 07:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 07:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 07:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 07:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 07:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 07:30:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 07:30:00,016 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=Mon Aug 08 07:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:30:00,016 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=Mon Aug 08 07:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 07:30:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 07:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 07:32:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 07:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 07:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 07:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 07:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 07:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 07:36:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 07:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 07:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 07:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 07:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 07:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 07:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 07:40:00,002 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=Mon Aug 08 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

2016-08-08 07:40:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 07:40:00,015 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=Mon Aug 08 07:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:40:00,016 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=Mon Aug 08 07:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 07:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 07:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 07:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 07:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 07:44:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 07:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 07:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 07:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 07:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 07:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 07:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 07:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 07:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 07:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 07:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 07:50:00,001 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=Mon Aug 08 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

2016-08-08 07:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 07:50:00,016 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=Mon Aug 08 07:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 07:50:00,016 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=Mon Aug 08 07:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 07:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 07:50:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 07:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 07:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 07:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 07:54:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 07:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 07:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 07:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 07:56:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 07:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 07:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 08:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 08:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 08:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 08:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 08:00:00,002 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=Mon Aug 08 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

2016-08-08 08:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 08:00:00,016 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=Mon Aug 08 08:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:00:00,017 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=Mon Aug 08 08:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 08:00:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 08:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 08:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 08:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 08:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 08:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 08:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 08:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 08:06:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 08:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 08:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 08:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 08:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 08:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 08:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 08:10:00,002 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=Mon Aug 08 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

2016-08-08 08:10:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 08:10:00,015 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=Mon Aug 08 08:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:10:00,016 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=Mon Aug 08 08:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 08:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 08:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 08:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 08:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 08:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 08:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 08:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 08:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 08:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 08:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 08:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 08:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 08:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 08:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 08:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 08:20:00,001 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=Mon Aug 08 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

2016-08-08 08:20:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 08:20:00,015 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=Mon Aug 08 08:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:20:00,016 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=Mon Aug 08 08:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:20:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 08:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 08:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 08:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 08:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 08:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 08:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 08:25:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 08:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 08:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 08:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 08:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 08:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 08:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 08:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 08:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 08:30:00,003 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=Mon Aug 08 08:32:00 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

2016-08-08 08:30:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 08:30:00,017 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=Mon Aug 08 08:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:30:00,018 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=Mon Aug 08 08:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:30:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 08:30:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 08:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 08:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 08:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 08:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 08:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 08:35:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 08:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 08:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 08:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 08:38:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 08:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 08:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 08:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 08:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 08:40:00,002 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=Mon Aug 08 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

2016-08-08 08:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 08:40:00,016 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=Mon Aug 08 08:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:40:00,016 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=Mon Aug 08 08:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 08:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 08:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 08:42:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 08:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 08:44:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 08:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 08:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 08:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 08:46:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 08:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 08:48:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 08:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 08:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 08:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 08:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 08:50:00,002 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=Mon Aug 08 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

2016-08-08 08:50:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 08:50:00,015 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=Mon Aug 08 08:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 08:50:00,016 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=Mon Aug 08 08:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 08:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 08:50:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 08:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 08:52:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 08:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 08:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 08:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 08:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 08:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 08:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 08:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 08:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 09:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 09:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 09:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 09:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 09:00:00,002 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=Mon Aug 08 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

2016-08-08 09:00:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 09:00:00,016 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=Mon Aug 08 09:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:00:00,017 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=Mon Aug 08 09:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 09:00:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 09:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 09:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 09:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 09:04:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 09:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 09:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 09:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 09:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 09:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 09:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 09:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 09:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 09:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 09:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 09:10:00,002 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=Mon Aug 08 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

2016-08-08 09:10:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 09:10:00,027 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=Mon Aug 08 09:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:10:00,028 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=Mon Aug 08 09:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:10:00,029 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 09:10:00,033 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 09:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 09:12:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 09:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 09:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 09:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 09:15:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 09:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 09:16:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 09:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 09:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 09:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 09:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 09:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 09:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 09:20:00,002 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=Mon Aug 08 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

2016-08-08 09:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 09:20:00,016 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=Mon Aug 08 09:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:20:00,017 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=Mon Aug 08 09:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 09:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 09:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 09:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 09:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 09:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 09:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 09:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 09:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 09:26:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 09:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 09:28:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 09:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 09:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 09:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 09:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 09:30:00,002 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=Mon Aug 08 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

2016-08-08 09:30:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 09:30:00,016 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=Mon Aug 08 09:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:30:00,017 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=Mon Aug 08 09:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 09:30:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 09:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 09:32:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 09:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 09:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 09:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 09:35:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 09:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 09:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 09:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 09:38:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 09:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 09:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 09:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 09:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 09:40:00,002 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=Mon Aug 08 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

2016-08-08 09:40:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 09:40:00,015 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=Mon Aug 08 09:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:40:00,016 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=Mon Aug 08 09:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 09:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 09:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 09:42:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 09:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 09:44:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 09:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 09:45:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 09:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 09:46:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 09:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 09:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 09:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 09:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 09:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 09:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 09:50:00,002 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=Mon Aug 08 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

2016-08-08 09:50:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 09:50:00,016 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=Mon Aug 08 09:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 09:50:00,016 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=Mon Aug 08 09:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 09:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 09:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 09:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 09:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 09:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 09:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 09:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 09:55:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 09:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 09:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 09:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 09:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 10:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 10:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 10:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 10:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 10:00:00,002 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=Mon Aug 08 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

2016-08-08 10:00:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 10:00:00,022 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=Mon Aug 08 10:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:00:00,022 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=Mon Aug 08 10:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:00:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 10:00:00,027 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 10:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 10:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 10:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 10:04:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 10:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 10:05:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 10:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 10:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 10:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 10:08:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 10:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 10:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 10:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 10:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 10:10:00,003 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=Mon Aug 08 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

2016-08-08 10:10:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 10:10:00,017 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=Mon Aug 08 10:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:10:00,018 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=Mon Aug 08 10:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:10:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 10:10:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 10:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 10:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 10:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 10:14:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 10:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 10:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 10:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 10:16:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 10:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 10:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 10:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 10:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 10:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 10:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 10:20:00,002 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=Mon Aug 08 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

2016-08-08 10:20:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 10:20:00,017 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=Mon Aug 08 10:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:20:00,018 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=Mon Aug 08 10:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:20:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 10:20:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 10:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 10:22:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 10:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 10:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 10:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 10:25:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 10:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 10:26:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 10:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 10:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 10:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 10:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 10:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 10:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 10:30:00,002 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=Mon Aug 08 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

2016-08-08 10:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 10:30:00,016 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=Mon Aug 08 10:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:30:00,016 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=Mon Aug 08 10:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 10:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 10:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 10:32:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 10:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 10:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 10:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 10:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 10:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 10:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 10:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 10:38:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 10:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 10:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 10:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 10:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 10:40:00,002 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=Mon Aug 08 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

2016-08-08 10:40:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 10:40:00,015 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=Mon Aug 08 10:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:40:00,016 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=Mon Aug 08 10:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 10:40:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 10:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 10:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 10:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 10:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 10:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 10:45:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 10:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 10:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 10:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 10:48:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 10:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 10:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 10:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 10:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 10:50:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 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=Mon Aug 08 10:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 10:50:00,017 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=Mon Aug 08 10:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 10:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 10:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 10:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 10:52:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 10:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 10:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 10:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 10:55:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 10:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 10:56:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 10:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 10:58:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 11:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 11:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 11:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 11:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 11:00:00,001 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=Mon Aug 08 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

2016-08-08 11:00:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 11:00:00,007 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=Mon Aug 08 11:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:00:00,007 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=Mon Aug 08 11:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:00:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 11:00:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 11:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 11:02:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 11:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 11:04:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 11:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 11:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 11:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 11:06:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 11:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 11:08:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 11:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 11:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 11:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 11:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 11:10:00,001 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=Mon Aug 08 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

2016-08-08 11:10:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 11:10:00,015 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=Mon Aug 08 11:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:10:00,016 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=Mon Aug 08 11:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 11:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 11:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 11:12:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 11:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 11:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 11:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 11:15:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 11:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 11:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 11:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 11:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 11:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 11:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 11:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 11:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 11:20:00,002 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=Mon Aug 08 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

2016-08-08 11:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 11:20:00,016 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=Mon Aug 08 11:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:20:00,017 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=Mon Aug 08 11:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 11:20:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 11:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 11:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 11:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 11:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 11:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 11:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 11:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 11:26:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 11:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 11:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 11:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 11:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 11:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 11:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 11:30:00,001 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=Mon Aug 08 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

2016-08-08 11:30:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 11:30:00,015 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=Mon Aug 08 11:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:30:00,016 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=Mon Aug 08 11:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 11:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 11:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 11:32:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 11:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 11:34:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 11:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 11:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 11:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 11:36:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 11:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 11:38:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 11:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 11:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 11:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 11:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 11:40:00,002 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=Mon Aug 08 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

2016-08-08 11:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 11:40:00,016 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=Mon Aug 08 11:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:40:00,017 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=Mon Aug 08 11:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 11:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 11:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 11:42:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 11:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 11:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 11:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 11:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 11:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 11:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 11:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 11:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 11:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 11:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 11:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 11:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 11:50:00,002 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=Mon Aug 08 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

2016-08-08 11:50:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 11:50:00,016 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=Mon Aug 08 11:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 11:50:00,016 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=Mon Aug 08 11:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 11:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 11:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 11:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 11:52:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 11:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 11:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 11:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 11:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 11:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 11:56:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 11:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 11:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 12:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 12:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 12:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 12:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 12:00:00,002 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=Mon Aug 08 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

2016-08-08 12:00:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 12:00:00,016 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=Mon Aug 08 12:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:00:00,016 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=Mon Aug 08 12:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 12:00:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 12:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 12:02:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 12:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 12:04:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 12:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 12:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 12:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 12:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 12:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 12:08:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 12:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 12:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 12:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 12:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 12:10:00,001 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=Mon Aug 08 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

2016-08-08 12:10:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 12:10:00,015 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=Mon Aug 08 12:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:10:00,016 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=Mon Aug 08 12:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 12:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 12:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 12:12:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 12:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 12:14:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 12:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 12:15:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 12:16:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 12:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 12:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 12:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 12:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 12:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 12:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 12:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 12:20:00,002 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=Mon Aug 08 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

2016-08-08 12:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 12:20:00,016 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=Mon Aug 08 12:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:20:00,016 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=Mon Aug 08 12:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 12:20:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 12:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 12:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 12:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 12:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 12:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 12:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 12:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 12:26:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 12:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 12:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 12:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 12:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 12:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 12:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 12:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 12:30:00,018 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=Mon Aug 08 12:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:30:00,018 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=Mon Aug 08 12:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:30:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 12:30:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 12:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 12:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 12:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 12:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 12:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 12:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 12:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 12:36:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 12:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 12:38:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 12:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 12:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 12:40:00,003 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 12:40:00,003 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 12:40:00,003 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=Mon Aug 08 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

2016-08-08 12:40:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 12:40:00,017 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=Mon Aug 08 12:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:40:00,018 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=Mon Aug 08 12:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:40:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 12:40:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 12:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 12:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 12:44:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 12:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 12:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 12:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 12:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 12:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 12:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 12:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 12:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 12:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 12:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 12:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 12:50:00,002 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=Mon Aug 08 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

2016-08-08 12:50:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 12:50:00,016 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=Mon Aug 08 12:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 12:50:00,016 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=Mon Aug 08 12:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 12:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 12:50:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 12:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 12:52:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 12:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 12:54:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 12:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 12:55:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 12:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 12:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 12:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 12:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 13:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 13:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 13:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 13:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 13:00:00,002 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=Mon Aug 08 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

2016-08-08 13:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 13:00:00,016 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=Mon Aug 08 13:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:00:00,016 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=Mon Aug 08 13:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 13:00:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 13:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 13:02:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 13:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 13:04:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 13:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 13:05:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 13:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 13:06:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 13:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 13:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 13:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 13:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 13:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 13:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 13:10:00,002 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=Mon Aug 08 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

2016-08-08 13:10:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 13:10:00,015 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=Mon Aug 08 13:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:10:00,016 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=Mon Aug 08 13:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 13:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 13:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 13:12:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 13:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 13:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 13:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 13:15:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 13:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 13:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 13:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 13:18:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 13:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 13:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 13:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 13:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 13:20:00,002 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=Mon Aug 08 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

2016-08-08 13:20:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 13:20:00,019 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=Mon Aug 08 13:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:20:00,020 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=Mon Aug 08 13:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:20:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 13:20:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 13:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 13:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 13:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 13:24:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 13:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 13:25:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 13:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 13:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 13:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 13:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 13:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 13:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 13:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 13:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 13:30:00,001 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=Mon Aug 08 13:32:00 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

2016-08-08 13:30:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 13:30:00,015 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=Mon Aug 08 13:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:30:00,015 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=Mon Aug 08 13:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 13:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 13:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 13:32:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 13:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 13:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 13:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 13:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 13:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 13:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 13:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 13:38:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 13:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 13:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 13:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 13:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 13:40:00,002 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=Mon Aug 08 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

2016-08-08 13:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 13:40:00,017 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=Mon Aug 08 13:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:40:00,018 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=Mon Aug 08 13:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:40:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 13:40:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 13:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 13:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 13:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 13:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 13:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 13:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 13:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 13:46:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 13:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 13:48:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 13:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 13:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 13:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 13:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 13:50:00,002 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=Mon Aug 08 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

2016-08-08 13:50:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 13:50:00,015 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=Mon Aug 08 13:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 13:50:00,016 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=Mon Aug 08 13:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 13:50:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 13:50:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 13:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 13:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 13:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 13:54:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 13:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 13:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 13:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 13:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 13:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 13:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 14:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 14:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 14:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 14:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 14:00:00,002 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=Mon Aug 08 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

2016-08-08 14:00:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 14:00:00,016 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=Mon Aug 08 14:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 14:00:00,016 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=Mon Aug 08 14:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 14:00:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 14:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 14:02:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 14:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 14:04:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 14:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 14:05:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 14:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 14:06:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 14:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 14:08:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 14:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 14:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 14:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 14:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 14:10:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 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=Mon Aug 08 14:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 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=Mon Aug 08 14:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 14:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 14:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 14:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 14:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 14:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 14:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 14:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 14:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 14:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 14:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 14:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 14:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 14:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 14:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 14:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 14:20:00,002 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=Mon Aug 08 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

2016-08-08 14:20:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 14:20:00,016 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=Mon Aug 08 14:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 14:20:00,017 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=Mon Aug 08 14:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 14:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 14:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 14:22:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 14:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 14:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 14:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 14:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 14:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 14:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 14:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 14:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 14:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 14:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 14:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 14:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 14:30:00,001 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=Mon Aug 08 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

2016-08-08 14:30:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 14:30:00,015 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=Mon Aug 08 14:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 14:30:00,016 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=Mon Aug 08 14:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 14:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 14:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 14:32:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 14:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 14:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 14:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 14:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 14:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 14:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 14:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 14:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 14:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 14:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 14:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 14:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 14:40:00,002 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=Mon Aug 08 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

2016-08-08 14:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 14:40:00,016 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=Mon Aug 08 14:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 14:40:00,016 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=Mon Aug 08 14:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 14:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 14:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 14:42:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 14:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 14:44:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 14:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 14:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 14:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 14:46:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 14:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 14:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 14:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 14:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 14:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 14:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 14:50:00,002 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=Mon Aug 08 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

2016-08-08 14:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 14:50:00,016 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=Mon Aug 08 14:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 14:50:00,017 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=Mon Aug 08 14:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 14:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 14:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 14:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 14:52:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 14:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 14:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 14:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 14:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 14:56:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 14:56:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 14:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 14:58:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 15:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 15:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 15:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 15:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 15:00:00,001 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=Mon Aug 08 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

2016-08-08 15:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 15:00:00,015 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=Mon Aug 08 15:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:00:00,015 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=Mon Aug 08 15:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:00:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 15:00:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 15:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 15:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 15:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 15:04:00,015 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 15:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 15:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 15:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 15:06:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 15:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 15:08:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 15:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 15:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 15:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 15:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 15:10:00,002 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=Mon Aug 08 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

2016-08-08 15:10:00,016 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=Mon Aug 08 15:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:10:00,017 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=Mon Aug 08 15:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 15:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 15:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 15:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 15:12:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 15:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 15:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 15:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 15:15:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 15:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 15:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 15:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 15:18:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 15:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 15:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 15:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 15:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 15:20:00,001 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=Mon Aug 08 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

2016-08-08 15:20:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 15:20:00,015 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=Mon Aug 08 15:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:20:00,016 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=Mon Aug 08 15:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:20:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 15:20:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 15:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 15:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 15:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 15:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 15:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 15:25:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 15:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 15:26:00,012 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 15:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 15:28:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 15:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 15:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 15:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 15:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 15:30:00,002 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=Mon Aug 08 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

2016-08-08 15:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 15:30:00,016 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=Mon Aug 08 15:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:30:00,017 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=Mon Aug 08 15:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 15:30:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 15:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 15:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 15:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 15:34:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 15:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 15:35:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 15:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 15:36:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 15:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 15:38:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 15:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 15:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 15:40:00,000 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 15:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 15:40:00,001 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=Mon Aug 08 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

2016-08-08 15:40:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 15:40:00,015 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=Mon Aug 08 15:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:40:00,016 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=Mon Aug 08 15:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 15:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 15:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 15:42:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 15:44:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 15:44:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 15:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 15:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 15:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 15:46:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 15:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 15:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 15:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 15:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 15:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 15:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 15:50:00,002 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=Mon Aug 08 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

2016-08-08 15:50:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 15:50:00,018 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=Mon Aug 08 15:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 15:50:00,018 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=Mon Aug 08 15:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 15:50:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 15:50:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 15:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 15:52:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 15:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 15:54:00,003 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 15:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 15:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 15:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 15:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 15:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 15:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 16:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 16:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 16:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 16:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 16:00:00,002 ERROR [org.jboss.as.ejb3] (EJB default - 10) 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=Mon Aug 08 16:05:00 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

2016-08-08 16:00:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 16:00:00,015 INFO  [org.jboss.as.ejb3] (EJB default - 10) 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=Mon Aug 08 16:05:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 16:00:00,016 INFO  [org.jboss.as.ejb3] (EJB default - 10) 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=Mon Aug 08 16:05:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 16:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 16:00:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 16:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 16:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 16:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 16:04:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 16:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 16:05:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 16:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 16:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 16:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 16:08:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 16:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 16:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 16:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 16:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 16:10:00,002 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=Mon Aug 08 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

2016-08-08 16:10:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 16:10:00,016 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=Mon Aug 08 16:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 16:10:00,016 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=Mon Aug 08 16:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 16:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 16:10:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 16:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 16:12:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 16:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 16:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 16:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 16:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 16:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 16:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 16:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 16:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 16:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 16:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 16:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 16:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 16:20:00,002 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=Mon Aug 08 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

2016-08-08 16:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 16:20:00,015 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=Mon Aug 08 16:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 16:20:00,016 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=Mon Aug 08 16:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 16:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 16:20:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 16:22:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 16:22:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 16:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 16:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 16:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 16:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 16:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 16:26:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 16:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 16:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 16:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 16:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 16:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 16:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 16:30:00,002 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=Mon Aug 08 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

2016-08-08 16:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 16:30:00,018 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=Mon Aug 08 16:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 16:30:00,018 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=Mon Aug 08 16:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 16:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 16:30:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 16:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 16:32:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 16:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 16:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 16:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 16:35:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 16:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 16:36:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 16:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 16:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 16:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 16:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 16:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 16:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 16:40:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 16:40:00,002 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=Mon Aug 08 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

2016-08-08 16:40:00,020 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=Mon Aug 08 16:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 16:40:00,020 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=Mon Aug 08 16:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 16:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 16:40:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 16:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 16:42:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 16:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 16:44:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 16:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 16:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 16:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 16:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 16:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 16:48:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 16:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 16:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 16:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 16:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 16:50:00,001 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=Mon Aug 08 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

2016-08-08 16:50:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 16:50:00,017 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=Mon Aug 08 16:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 16:50:00,018 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=Mon Aug 08 16:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 16:50:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 16:50:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 16:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 16:52:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 16:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 16:54:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 16:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 16:55:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 16:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 16:56:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 16:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 16:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 17:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 17:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 17:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 17:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 17:00:00,001 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=Mon Aug 08 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

2016-08-08 17:00:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 17:00:00,019 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=Mon Aug 08 17:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 17:00:00,020 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=Mon Aug 08 17:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 17:00:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 17:00:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 17:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 17:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 17:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 17:04:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 17:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 17:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 17:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 17:06:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 17:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 17:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 17:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 17:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 17:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 17:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 17:10:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 17:10:00,015 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=Mon Aug 08 17:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 17:10:00,016 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=Mon Aug 08 17:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 17:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 17:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 17:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 17:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 17:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 17:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 17:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 17:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 17:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 17:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 17:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 17:18:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 17:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 17:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 17:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 17:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 17:20:00,002 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=Mon Aug 08 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

2016-08-08 17:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 17:20:00,017 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=Mon Aug 08 17:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 17:20:00,017 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=Mon Aug 08 17:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 17:20:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 17:20:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 17:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 17:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 17:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 17:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 17:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 17:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 17:26:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 17:26:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 17:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 17:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 17:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 17:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 17:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 17:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 17:30:00,001 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=Mon Aug 08 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

2016-08-08 17:30:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 17:30:00,015 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=Mon Aug 08 17:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 17:30:00,015 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=Mon Aug 08 17:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 17:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 17:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 17:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 17:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 17:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 17:34:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 17:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 17:35:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 17:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 17:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 17:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 17:38:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 17:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 17:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 17:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 17:40:00,004 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 17:40:00,004 ERROR [org.jboss.as.ejb3] (EJB default - 8) 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=Mon Aug 08 17:45:00 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

2016-08-08 17:40:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 17:40:00,018 INFO  [org.jboss.as.ejb3] (EJB default - 8) 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=Mon Aug 08 17:45:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 17:40:00,018 INFO  [org.jboss.as.ejb3] (EJB default - 8) 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=Mon Aug 08 17:45:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 17:40:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 17:40:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 17:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 17:42:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 17:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 17:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 17:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 17:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 17:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 17:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 17:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 17:48:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 17:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 17:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 17:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 17:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 17:50:00,002 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=Mon Aug 08 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

2016-08-08 17:50:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 17:50:00,015 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=Mon Aug 08 17:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 17:50:00,016 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=Mon Aug 08 17:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 17:50:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 17:50:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 17:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 17:52:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 17:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 17:54:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 17:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 17:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 17:56:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 17:56:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 17:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 17:58:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 18:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 18:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 18:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 18:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 18:00:00,002 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=Mon Aug 08 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

2016-08-08 18:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 18:00:00,016 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=Mon Aug 08 18:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:00:00,017 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=Mon Aug 08 18:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 18:00:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 18:02:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 18:02:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 18:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 18:04:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 18:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 18:05:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 18:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 18:06:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 18:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 18:08:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 18:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 18:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 18:10:00,000 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 18:10:00,000 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 18:10:00,002 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=Mon Aug 08 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

2016-08-08 18:10:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 18:10:00,015 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=Mon Aug 08 18:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:10:00,016 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=Mon Aug 08 18:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 18:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 18:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 18:12:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 18:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 18:14:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 18:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 18:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 18:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 18:16:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 18:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 18:18:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 18:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 18:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 18:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 18:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 18:20:00,002 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=Mon Aug 08 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

2016-08-08 18:20:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 18:20:00,016 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=Mon Aug 08 18:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:20:00,017 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=Mon Aug 08 18:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 18:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 18:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 18:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 18:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 18:24:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 18:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 18:25:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 18:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 18:26:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 18:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 18:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 18:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 18:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 18:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 18:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 18:30:00,003 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=Mon Aug 08 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

2016-08-08 18:30:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 18:30:00,017 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=Mon Aug 08 18:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:30:00,018 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=Mon Aug 08 18:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:30:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 18:30:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 18:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 18:32:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 18:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 18:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 18:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 18:35:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 18:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 18:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 18:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 18:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 18:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 18:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 18:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 18:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 18:40:00,002 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=Mon Aug 08 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

2016-08-08 18:40:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 18:40:00,017 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=Mon Aug 08 18:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:40:00,018 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=Mon Aug 08 18:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:40:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 18:40:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 18:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 18:42:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 18:44:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 18:44:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 18:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 18:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 18:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 18:46:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 18:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 18:48:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 18:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 18:50:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 18:50:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 18:50:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 18:50:00,001 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=Mon Aug 08 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

2016-08-08 18:50:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 18:50:00,015 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=Mon Aug 08 18:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 18:50:00,015 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=Mon Aug 08 18:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 18:50:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 18:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 18:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 18:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 18:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 18:54:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 18:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 18:55:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 18:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 18:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 18:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 18:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 19:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 19:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 19:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 19:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 19:00:00,001 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=Mon Aug 08 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

2016-08-08 19:00:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 19:00:00,015 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=Mon Aug 08 19:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:00:00,016 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=Mon Aug 08 19:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 19:00:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 19:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 19:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 19:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 19:04:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 19:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 19:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 19:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 19:06:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 19:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 19:08:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 19:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 19:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 19:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 19:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 19:10:00,001 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=Mon Aug 08 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

2016-08-08 19:10:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 19:10:00,018 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=Mon Aug 08 19:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:10:00,018 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=Mon Aug 08 19:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:10:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 19:10:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 19:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 19:12:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 19:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 19:14:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 19:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 19:15:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 19:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 19:16:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 19:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 19:18:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 19:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 19:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 19:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 19:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 19:20:00,002 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=Mon Aug 08 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

2016-08-08 19:20:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 19:20:00,015 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=Mon Aug 08 19:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:20:00,016 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=Mon Aug 08 19:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:20:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 19:20:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 19:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 19:22:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 19:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 19:24:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 19:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 19:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 19:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 19:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 19:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 19:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 19:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 19:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 19:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 19:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 19:30:00,001 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=Mon Aug 08 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

2016-08-08 19:30:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 19:30:00,015 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=Mon Aug 08 19:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:30:00,015 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=Mon Aug 08 19:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:30:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 19:30:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 19:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 19:32:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 19:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 19:34:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 19:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 19:35:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 19:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 19:36:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 19:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 19:38:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 19:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 19:40:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 19:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 19:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 19:40:00,002 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=Mon Aug 08 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

2016-08-08 19:40:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 19:40:00,025 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=Mon Aug 08 19:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:40:00,025 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=Mon Aug 08 19:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:40:00,025 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 19:40:00,028 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 19:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 19:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 19:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 19:44:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 19:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 19:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 19:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 19:46:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 19:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 19:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 19:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 19:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 19:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 19:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 19:50:00,003 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=Mon Aug 08 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

2016-08-08 19:50:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 19:50:00,016 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=Mon Aug 08 19:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 19:50:00,016 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=Mon Aug 08 19:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 19:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 19:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 19:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 19:52:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 19:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 19:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 19:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 19:55:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 19:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 19:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 19:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 19:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 20:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 20:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 20:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 20:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 20:00:00,002 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=Mon Aug 08 20:05:00 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

2016-08-08 20:00:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 20:00:00,019 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=Mon Aug 08 20:05:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer] will be retried
2016-08-08 20:00:00,019 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=Mon Aug 08 20:05:00 EEST 2016 timerState=IN_TIMEOUT info=SubscriptionPeriodicTimer]
2016-08-08 20:00:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 20:00:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 20:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 20:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 20:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 20:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 20:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 20:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 20:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 20:06:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 20:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 20:08:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 20:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 20:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 20:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 20:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 20:10:00,002 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=Mon Aug 08 20:12:00 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

2016-08-08 20:10:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 20:10:00,016 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=Mon Aug 08 20:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 20:10:00,017 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=Mon Aug 08 20:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 20:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 20:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 20:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 20:12:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 20:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 20:14:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 20:15:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 20:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 20:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 20:16:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 20:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 20:18:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 20:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 20:20:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 20:20:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 20:20:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 20:20:00,002 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=Mon Aug 08 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

2016-08-08 20:20:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 20:20:00,019 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=Mon Aug 08 20:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 20:20:00,024 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=Mon Aug 08 20:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 20:20:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 20:20:00,033 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 20:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 20:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 20:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 20:24:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 20:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 20:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 20:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 20:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 20:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 20:28:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 20:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 20:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 20:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 20:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 20:30:00,001 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=Mon Aug 08 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

2016-08-08 20:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 20:30:00,017 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=Mon Aug 08 20:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 20:30:00,018 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=Mon Aug 08 20:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 20:30:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 20:30:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 20:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 20:32:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 20:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 20:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 20:35:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 20:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 20:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 20:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 20:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 20:38:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 20:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 20:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 20:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 20:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 20:40:00,002 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=Mon Aug 08 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

2016-08-08 20:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 20:40:00,015 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=Mon Aug 08 20:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 20:40:00,016 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=Mon Aug 08 20:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 20:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 20:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 20:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 20:42:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 20:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 20:44:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 20:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 20:45:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 20:46:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 20:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 20:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 20:48:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 20:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 20:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 20:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 20:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 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=Mon Aug 08 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

2016-08-08 20:50:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 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=Mon Aug 08 20:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 20:50:00,017 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=Mon Aug 08 20:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 20:50:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 20:50:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 20:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 20:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 20:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 20:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 20:55:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 20:55:00,014 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 20:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 20:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 20:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 20:58:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 21:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 21:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 21:00:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 21:00:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 21:00:00,001 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=Mon Aug 08 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

2016-08-08 21:00:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 21:00:00,016 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=Mon Aug 08 21:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:00:00,016 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=Mon Aug 08 21:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:00:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 21:00:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 21:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 21:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 21:04:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 21:04:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 21:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 21:05:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 21:06:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 21:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 21:08:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 21:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 21:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 21:10:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 21:10:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 21:10:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 21:10:00,001 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=Mon Aug 08 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

2016-08-08 21:10:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 21:10:00,015 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=Mon Aug 08 21:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:10:00,015 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=Mon Aug 08 21:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:10:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 21:10:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 21:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 21:12:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 21:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 21:14:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 21:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 21:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 21:16:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 21:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 21:18:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 21:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 21:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 21:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 21:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 21:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 21:20:00,002 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=Mon Aug 08 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

2016-08-08 21:20:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 21:20:00,016 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=Mon Aug 08 21:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:20:00,017 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=Mon Aug 08 21:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 21:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 21:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 21:22:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 21:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 21:24:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 21:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 21:25:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 21:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 21:26:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 21:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 21:28:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 21:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 21:30:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 21:30:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 21:30:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 21:30:00,002 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=Mon Aug 08 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

2016-08-08 21:30:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 21:30:00,016 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=Mon Aug 08 21:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:30:00,016 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=Mon Aug 08 21:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 21:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 21:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 21:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 21:34:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 21:34:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 21:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 21:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 21:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 21:36:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 21:38:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 21:38:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 21:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 21:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 21:40:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 21:40:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 21:40:00,002 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=Mon Aug 08 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

2016-08-08 21:40:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 21:40:00,016 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=Mon Aug 08 21:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:40:00,017 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=Mon Aug 08 21:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:40:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 21:40:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 21:42:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 21:42:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 21:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 21:44:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 21:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 21:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 21:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 21:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 21:48:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 21:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 21:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 21:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 21:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 21:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 21:50:00,002 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=Mon Aug 08 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

2016-08-08 21:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 21:50:00,016 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=Mon Aug 08 21:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 21:50:00,016 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=Mon Aug 08 21:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 21:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 21:50:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 21:52:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 21:52:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 21:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 21:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 21:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 21:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 21:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 21:56:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 21:58:00,002 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 21:58:00,010 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 22:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 22:00:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 22:00:00,003 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 22:00:00,004 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 22:00:00,004 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=Mon Aug 08 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

2016-08-08 22:00:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 22:00:00,018 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=Mon Aug 08 22:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:00:00,019 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=Mon Aug 08 22:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:00:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 22:00:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 22:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 22:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 22:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 22:04:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 22:05:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 22:05:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 22:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 22:06:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 22:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 22:08:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 22:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 22:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 22:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 22:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 22:10:00,002 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=Mon Aug 08 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

2016-08-08 22:10:00,011 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 22:10:00,016 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=Mon Aug 08 22:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:10:00,017 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=Mon Aug 08 22:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:10:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 22:10:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 22:12:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 22:12:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 22:14:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 22:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 22:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 22:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 22:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 22:16:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 22:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 22:18:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 22:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 22:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 22:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) SQL Error: 0, SQLState: 08003
2016-08-08 22:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 1) No operations allowed after connection closed.
2016-08-08 22:20:00,002 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=Mon Aug 08 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

2016-08-08 22:20:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 22:20:00,016 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=Mon Aug 08 22:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:20:00,017 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=Mon Aug 08 22:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:20:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 22:20:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 22:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 22:22:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 22:24:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 22:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 22:25:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 22:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 22:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 22:26:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 22:28:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 22:28:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 22:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 22:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 22:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) SQL Error: 0, SQLState: 08003
2016-08-08 22:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 6) No operations allowed after connection closed.
2016-08-08 22:30:00,002 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=Mon Aug 08 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

2016-08-08 22:30:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 22:30:00,018 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=Mon Aug 08 22:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:30:00,019 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=Mon Aug 08 22:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:30:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 22:30:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 22:32:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 22:32:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 22:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 22:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 22:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 22:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 22:36:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 22:36:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 22:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 22:38:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 22:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer start...
2016-08-08 22:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 22:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) SQL Error: 0, SQLState: 08003
2016-08-08 22:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 8) No operations allowed after connection closed.
2016-08-08 22:40:00,001 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=Mon Aug 08 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

2016-08-08 22:40:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 10) Subscription periodic timer end...
2016-08-08 22:40:00,015 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=Mon Aug 08 22:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:40:00,015 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=Mon Aug 08 22:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:40:00,016 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 22:40:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 22:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 22:42:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 22:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 22:44:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 22:45:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 22:45:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 22:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 22:46:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 22:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 22:48:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 22:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer start...
2016-08-08 22:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 22:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) SQL Error: 0, SQLState: 08003
2016-08-08 22:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 7) No operations allowed after connection closed.
2016-08-08 22:50:00,002 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=Mon Aug 08 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

2016-08-08 22:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 1) Subscription periodic timer end...
2016-08-08 22:50:00,016 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=Mon Aug 08 22:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 22:50:00,016 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=Mon Aug 08 22:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 22:50:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 22:50:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 22:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 22:52:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 22:54:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 22:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 22:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 22:55:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 22:56:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 22:56:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 22:58:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 22:58:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 23:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer start...
2016-08-08 23:00:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 23:00:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) SQL Error: 0, SQLState: 08003
2016-08-08 23:00:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 3) No operations allowed after connection closed.
2016-08-08 23:00:00,002 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=Mon Aug 08 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

2016-08-08 23:00:00,013 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 6) Subscription periodic timer end...
2016-08-08 23:00:00,026 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=Mon Aug 08 23:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:00:00,026 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=Mon Aug 08 23:02:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:00:00,026 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 23:00:00,031 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 23:02:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 23:02:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 23:04:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 23:04:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 23:05:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 23:05:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 23:06:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 23:06:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 23:08:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 23:08:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 23:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer start...
2016-08-08 23:10:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 23:10:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) SQL Error: 0, SQLState: 08003
2016-08-08 23:10:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 4) No operations allowed after connection closed.
2016-08-08 23:10:00,002 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=Mon Aug 08 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

2016-08-08 23:10:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 8) Subscription periodic timer end...
2016-08-08 23:10:00,016 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=Mon Aug 08 23:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:10:00,017 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=Mon Aug 08 23:12:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:10:00,018 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 23:10:00,022 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 23:12:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 23:12:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 23:14:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 23:14:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 23:15:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 23:15:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 23:16:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 23:16:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 23:18:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 23:18:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 23:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer start...
2016-08-08 23:20:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 23:20:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) SQL Error: 0, SQLState: 08003
2016-08-08 23:20:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 2) No operations allowed after connection closed.
2016-08-08 23:20:00,002 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=Mon Aug 08 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

2016-08-08 23:20:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 7) Subscription periodic timer end...
2016-08-08 23:20:00,019 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=Mon Aug 08 23:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:20:00,019 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=Mon Aug 08 23:22:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:20:00,020 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer start...
2016-08-08 23:20:00,024 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 2) Email periodic timer end...
2016-08-08 23:22:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 23:22:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 23:24:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 23:24:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 23:25:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 23:25:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 23:26:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 23:26:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 23:28:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 23:28:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 23:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer start...
2016-08-08 23:30:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 23:30:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) SQL Error: 0, SQLState: 08003
2016-08-08 23:30:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 5) No operations allowed after connection closed.
2016-08-08 23:30:00,001 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=Mon Aug 08 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

2016-08-08 23:30:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 3) Subscription periodic timer end...
2016-08-08 23:30:00,016 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=Mon Aug 08 23:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:30:00,016 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=Mon Aug 08 23:32:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:30:00,017 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer start...
2016-08-08 23:30:00,021 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 5) Email periodic timer end...
2016-08-08 23:32:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 23:32:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 23:34:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 23:34:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 23:35:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 23:35:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 23:36:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 23:36:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 23:38:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 23:38:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 23:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer start...
2016-08-08 23:40:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 23:40:00,001 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) SQL Error: 0, SQLState: 08003
2016-08-08 23:40:00,001 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 9) No operations allowed after connection closed.
2016-08-08 23:40:00,002 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=Mon Aug 08 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

2016-08-08 23:40:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 4) Subscription periodic timer end...
2016-08-08 23:40:00,017 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=Mon Aug 08 23:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:40:00,018 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=Mon Aug 08 23:42:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:40:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer start...
2016-08-08 23:40:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 9) Email periodic timer end...
2016-08-08 23:42:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 23:42:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 23:44:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 23:44:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...
2016-08-08 23:45:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer start...
2016-08-08 23:45:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 5) Subscription periodic timer end...
2016-08-08 23:46:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer start...
2016-08-08 23:46:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 1) Email periodic timer end...
2016-08-08 23:48:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer start...
2016-08-08 23:48:00,006 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 7) Email periodic timer end...
2016-08-08 23:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer start...
2016-08-08 23:50:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 23:50:00,002 WARN  [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) SQL Error: 0, SQLState: 08003
2016-08-08 23:50:00,002 ERROR [org.hibernate.engine.jdbc.spi.SqlExceptionHelper] (EJB default - 10) No operations allowed after connection closed.
2016-08-08 23:50:00,002 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=Mon Aug 08 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

2016-08-08 23:50:00,007 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 2) Subscription periodic timer end...
2016-08-08 23:50:00,017 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=Mon Aug 08 23:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer] will be retried
2016-08-08 23:50:00,018 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=Mon Aug 08 23:52:00 EEST 2016 timerState=IN_TIMEOUT info=EmailPeriodicTimer]
2016-08-08 23:50:00,019 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer start...
2016-08-08 23:50:00,023 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 10) Email periodic timer end...
2016-08-08 23:52:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer start...
2016-08-08 23:52:00,008 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 8) Email periodic timer end...
2016-08-08 23:54:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer start...
2016-08-08 23:54:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 4) Email periodic timer end...
2016-08-08 23:55:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer start...
2016-08-08 23:55:00,009 INFO  [com.pvcomplete.pvsketch.api.core.util.SubscriptionPeriodicTimer] (EJB default - 9) Subscription periodic timer end...
2016-08-08 23:56:00,000 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer start...
2016-08-08 23:56:00,004 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 6) Email periodic timer end...
2016-08-08 23:58:00,001 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer start...
2016-08-08 23:58:00,005 INFO  [com.pvcomplete.pvsketch.api.core.util.EmailPeriodicTimer] (EJB default - 3) Email periodic timer end...