Tried the same scenerio with a simple script instead of workitem handler, but the same Unexpected exception executing action org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction.
https://community.jboss.org/servlet/JiveServlet/downloadImage/2-760590-19531/447-182/IncidentProcess3-image.png
Unable to execute timer job!
org.drools.RuntimeDroolsException: Unexpected exception executing action org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction@369a8e
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:979)
at org.drools.impl.StatefulKnowledgeSessionImpl.executeQueuedActions(StatefulKnowledgeSessionImpl.java:866)
at org.jbpm.process.instance.event.DefaultSignalManager.signalEvent(DefaultSignalManager.java:90)
at org.jbpm.process.instance.timer.TimerManager$ProcessJob.execute(TimerManager.java:278)
at org.drools.time.SelfRemovalJob.execute(SelfRemovalJob.java:15)
at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:47)
at org.drools.persistence.jpa.JpaTimerJobInstance.internalCall(JpaTimerJobInstance.java:43)
at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:20)
at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:6)
at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.getEntityManager(JPAWorkingMemoryDbLogger.java:128)
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.addNodeExitLog(JPAWorkingMemoryDbLogger.java:115)
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.logEventCreated(JPAWorkingMemoryDbLogger.java:77)
at org.drools.audit.WorkingMemoryLogger.filterLogEvent(WorkingMemoryLogger.java:196)
at org.drools.audit.WorkingMemoryLogger.beforeNodeLeft(WorkingMemoryLogger.java:506)
at org.drools.event.ProcessEventSupport.fireBeforeNodeLeft(ProcessEventSupport.java:112)
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:201)
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)
at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)
at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:162)
at org.jbpm.workflow.instance.node.TimerNodeInstance.triggerCompleted(TimerNodeInstance.java:135)
at org.jbpm.workflow.instance.node.TimerNodeInstance.signalEvent(TimerNodeInstance.java:125)
at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:326)
at org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction.execute(DefaultSignalManager.java:118)
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977)
... 19 more
org.drools.RuntimeDroolsException: Unexpected exception executing action org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction@369a8e
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:979)
at org.drools.impl.StatefulKnowledgeSessionImpl.executeQueuedActions(StatefulKnowledgeSessionImpl.java:866)
at org.jbpm.process.instance.event.DefaultSignalManager.signalEvent(DefaultSignalManager.java:90)
at org.jbpm.process.instance.timer.TimerManager$ProcessJob.execute(TimerManager.java:278)
at org.drools.time.SelfRemovalJob.execute(SelfRemovalJob.java:15)
at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:47)
at org.drools.persistence.jpa.JpaTimerJobInstance.internalCall(JpaTimerJobInstance.java:43)
at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:20)
at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:6)
at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.getEntityManager(JPAWorkingMemoryDbLogger.java:128)
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.addNodeExitLog(JPAWorkingMemoryDbLogger.java:115)
at org.jbpm.process.audit.JPAWorkingMemoryDbLogger.logEventCreated(JPAWorkingMemoryDbLogger.java:77)
at org.drools.audit.WorkingMemoryLogger.filterLogEvent(WorkingMemoryLogger.java:196)
at org.drools.audit.WorkingMemoryLogger.beforeNodeLeft(WorkingMemoryLogger.java:506)
at org.drools.event.ProcessEventSupport.fireBeforeNodeLeft(ProcessEventSupport.java:112)
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:201)
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)
at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)
at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:162)
at org.jbpm.workflow.instance.node.TimerNodeInstance.triggerCompleted(TimerNodeInstance.java:135)
at org.jbpm.workflow.instance.node.TimerNodeInstance.signalEvent(TimerNodeInstance.java:125)
at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:326)
at org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction.execute(DefaultSignalManager.java:118)
at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:977)
... 19 more
0 20/09 08:55:29,195[pool-1-thread-1] ERROR drools.persistence.SingleSessionCommandService.rollbackTransaction - Could not commit session
java.lang.RuntimeException: Unable to commit transaction
at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:182)
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.persistence.PersistenceException: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.ActionNodeInstance@c5c781
at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)
at bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:478)
at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:193)
at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:120)
at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:179)
... 10 more
Caused by: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.ActionNodeInstance@c5c781
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProtobufProcessInstanceMarshaller.java:343)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstance(AbstractProtobufProcessInstanceMarshaller.java:149)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:107)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:70)
at org.jbpm.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:198)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)
at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)
at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)
at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)
at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)
at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)
at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)
... 14 more
0 20/09 08:55:29,195[pool-1-thread-1] ERROR persistence.jpa.JpaTimerJobInstance.call - Unable to execute timer job!
java.lang.RuntimeException: Unable to commit transaction
at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:182)
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)
at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.persistence.PersistenceException: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.ActionNodeInstance@c5c781
at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)
at bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:478)
at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:193)
at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:120)
at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:179)
... 10 more
Caused by: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.ActionNodeInstance@c5c781
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProtobufProcessInstanceMarshaller.java:343)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstance(AbstractProtobufProcessInstanceMarshaller.java:149)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:107)
at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:70)
at org.jbpm.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:198)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)
at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)
at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)
at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)
at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)
at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)
at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)
... 14 more
