[jboss-user] [jBPM] - JBPM 5.4 - boundary signal event to abort reusable subprocess stopped in a Human Task

[Jose Pereira]

Jose Pereira [https://community.jboss.org/people/zeca9] created the discussion

"JBPM 5.4 - boundary signal event to abort reusable subprocess stopped in a Human Task"

To view the discussion, visit: https://community.jboss.org/message/827709#827709

--------------------------------------------------------------
Hi,

I'm new in Jbpm and beacuse of that, struggling to get something work :)

Let me explain:
I've a *main* process with a reusable subprocess that have a boundary signal event:
Loading Image... Loading Image...
The reusable *subprocess* calls a process that have a script, a catch signal event and a human task:
Loading Image... Loading Image...

*CASE 1: Perfect!*
When I launch a instance by API:
+ProcessInstance processInstance = ksession.startProcess("Process_Name", params);+
everything works like expected. The instance stops in signal event from the *subprocess*, waiting to be fired.

Then I signal the boundary event from the *main* process;
+ksession.signalEvent(boundary_event, params, idMain);+
and again the result is the expected: The *subprocess* is aborted and *main* jumps to the next task (Scrip Task 1).

*CASE 2: Error!*
I start the instance like in case 1, but this time I signal the event of the subprocess, making this go foward to the human task TESTE_SUB.
Then I signal the boundary event from the *main* process (just like in case 1) and I get a error!!!

Log:
+1    12/07 11:03:04,464[main] ERROR drools.persistence.SingleSessionCommandService.rollbackTransaction  - Could not commit session+
+java.lang.RuntimeException: unable to execute Action: null+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.executeAction(ExtendedNodeInstanceImpl.java:74)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerEvent(ExtendedNodeInstanceImpl.java:58)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:46)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.triggerCompleted(EventNodeInstance.java:66)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.signalEvent(EventNodeInstance.java:50)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:356)+
+          at org.drools.command.runtime.process.SignalEventCommand.execute(SignalEventCommand.java:95)+
+          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)+
+          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)+
+          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.signalEvent(CommandBasedStatefulKnowledgeSession.java:210)+
+          at com.sample.ProcessTestes.sinalizarEvento(ProcessTestes.java:127)+
+          at com.sample.ProcessTestes.main(ProcessTestes.java:75)+
+Caused by: java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.workflow.instance.node.SubProcessNodeInstance.cancel(SubProcessNodeInstance.java:161)+
+          at org.jbpm.process.instance.impl.CancelNodeInstanceAction.execute(CancelNodeInstanceAction.java:44)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.executeAction(ExtendedNodeInstanceImpl.java:68)+
+          ... 11 more+
+Exception in thread "main" java.lang.RuntimeException: unable to execute Action: null+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.executeAction(ExtendedNodeInstanceImpl.java:74)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerEvent(ExtendedNodeInstanceImpl.java:58)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:46)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.triggerCompleted(EventNodeInstance.java:66)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.signalEvent(EventNodeInstance.java:50)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:356)+
+          at org.drools.command.runtime.process.SignalEventCommand.execute(SignalEventCommand.java:95)+
+          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)+
+          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)+
+          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.signalEvent(CommandBasedStatefulKnowledgeSession.java:210)+
+          at com.sample.ProcessTestes.sinalizarEvento(ProcessTestes.java:127)+
+          at com.sample.ProcessTestes.main(ProcessTestes.java:75)+
+Caused by: java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.workflow.instance.node.SubProcessNodeInstance.cancel(SubProcessNodeInstance.java:161)+
+          at org.jbpm.process.instance.impl.CancelNodeInstanceAction.execute(CancelNodeInstanceAction.java:44)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.executeAction(ExtendedNodeInstanceImpl.java:68)+
+          ... 11 more+

Seems that I canÂŽt abort a reusable subprocess when this one is stopped in a human task. Can anyone help me?

Thanks
+
+
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[Maciej Swiderski]

Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion

"Re: JBPM 5.4 - boundary signal event to abort reusable subprocess stopped in a Human Task"

To view the discussion, visit: https://community.jboss.org/message/827866#827866

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you most likely ran into a bug with boundary events that was found in 5.4. It was due to the event is incorrectly canceled (on definition level instead of instance level) and that causes the process to ignore the signals (or might cause failure as in your case). Best would be to either create reproducer so I could give a try on latest version (v6) to ensure it is fixed or try it yourself with 6.0 snapshot on your end.

HTH
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[Zeca9 ...]

Zeca9 ... [https://community.jboss.org/people/zeca9] created the discussion

"Re: JBPM 5.4 - boundary signal event to abort reusable subprocess stopped in a Human Task"

To view the discussion, visit: https://community.jboss.org/message/827948#827948

--------------------------------------------------------------
Tks for your reply Maciej.

Before do what you told, I tried another approach.

I dropped down the boundary events and try to implement this way:
Loading Image... Loading Image...
I have another process to call this has reusable subprocess.

If the timer event 'Prazo' expires, then the Human Task is canceled and everything runs as expected.

But if I signal the event 'Cancelar' before timer event 'Prazo' expires, I get the same error:
+1    15/07 11:13:57,756[main] ERROR drools.persistence.SingleSessionCommandService.rollbackTransaction  - Could not commit session+
+org.jbpm.workflow.instance.WorkflowRuntimeException: [TesteV2Sub:645 - :2] -- null+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:132)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.node.JoinInstance.triggerCompleted(JoinInstance.java:152)+
+          at org.jbpm.workflow.instance.node.JoinInstance.internalTrigger(JoinInstance.java:52)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.triggerCompleted(EventNodeInstance.java:66)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.signalEvent(EventNodeInstance.java:50)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:362)+
+          at org.drools.command.runtime.process.SignalEventCommand.execute(SignalEventCommand.java:95)+
+          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)+
+          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)+
+          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.signalEvent(CommandBasedStatefulKnowledgeSession.java:210)+
+          at com.sample.ProcessTestes.sinalizarEvento(ProcessTestes.java:130)+
+          at com.sample.ProcessTestes.main(ProcessTestes.java:79)+
+Caused by: java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.workflow.instance.node.EndNodeInstance.internalTrigger(EndNodeInstance.java:67)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          ... 17 more+
+Exception in thread "main" org.jbpm.workflow.instance.WorkflowRuntimeException: [TesteV2Sub:645 - :2] -- null+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:132)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.node.JoinInstance.triggerCompleted(JoinInstance.java:152)+
+          at org.jbpm.workflow.instance.node.JoinInstance.internalTrigger(JoinInstance.java:52)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.triggerCompleted(EventNodeInstance.java:66)+
+          at org.jbpm.workflow.instance.node.EventNodeInstance.signalEvent(EventNodeInstance.java:50)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:362)+
+          at org.drools.command.runtime.process.SignalEventCommand.execute(SignalEventCommand.java:95)+
+          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)+
+          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)+
+          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.signalEvent(CommandBasedStatefulKnowledgeSession.java:210)+
+          at com.sample.ProcessTestes.sinalizarEvento(ProcessTestes.java:130)+
+          at com.sample.ProcessTestes.main(ProcessTestes.java:79)+
+Caused by: java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.workflow.instance.node.EndNodeInstance.internalTrigger(EndNodeInstance.java:67)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          ... 17 more+
[phone]/07 11:18:08,281[pool-1-thread-1] ERROR instance.timer.TimerManager.execute  - Error when executing timer job+
+org.drools.RuntimeDroolsException: Unexpected exception executing action org.jbpm.process.instance.event.DefaultSignalManager$***@464e32c8+
+          at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:995)+
+          at org.drools.impl.StatefulKnowledgeSessionImpl.executeQueuedActions(StatefulKnowledgeSessionImpl.java:866)+
+          at org.jbpm.process.instance.event.DefaultSignalManager.signalEvent(DefaultSignalManager.java:90)+
+          at org.jbpm.process.instance.timer.TimerManager$ProcessJob.execute(TimerManager.java:323)+
+          at org.drools.time.SelfRemovalJob.execute(SelfRemovalJob.java:15)+
+          at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:51)+
+          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:373)+
+          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$Sync.innerRun(FutureTask.java:303)+
+          at java.util.concurrent.FutureTask.run(FutureTask.java:138)+
+          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)+
+          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)+
+          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)+
+          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)+
+          at java.lang.Thread.run(Thread.java:662)+
+Caused by: org.jbpm.workflow.instance.WorkflowRuntimeException: [TesteV2Sub:645 - :2] -- null+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:132)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.node.JoinInstance.triggerCompleted(JoinInstance.java:152)+
+          at org.jbpm.workflow.instance.node.JoinInstance.internalTrigger(JoinInstance.java:52)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)+
+          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)+
+          at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:216)+
+          at org.jbpm.workflow.instance.node.TimerNodeInstance.triggerCompleted(TimerNodeInstance.java:157)+
+          at org.jbpm.workflow.instance.node.TimerNodeInstance.signalEvent(TimerNodeInstance.java:147)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:342)+
+          at org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction.execute(DefaultSignalManager.java:118)+
+          at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:993)+
+          ... 19 more+
+Caused by: java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.workflow.instance.node.EndNodeInstance.internalTrigger(EndNodeInstance.java:67)+
+          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)+
+          ... 33 more+
+java.lang.NullPointerException+
+          at org.jbpm.task.service.hornetq.HornetQTaskClientConnector.write(HornetQTaskClientConnector.java:194)+
+          at org.jbpm.task.service.TaskClient.getTaskByWorkItemId(TaskClient.java:473)+
+          at org.jbpm.task.service.SyncTaskServiceWrapper.getTaskByWorkItemId(SyncTaskServiceWrapper.java:364)+
+          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler.abortWorkItem(GenericHTWorkItemHandler.java:203)+
+          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalAbortWorkItem(JPAWorkItemManager.java:78)+
+          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.cancel(WorkItemNodeInstance.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:257)+
+          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:269)+
+          at org.jbpm.process.instance.timer.TimerManager$ProcessJob.execute(TimerManager.java:337)+
+          at org.drools.time.SelfRemovalJob.execute(SelfRemovalJob.java:15)+
+          at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:51)+
+          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:373)+
+          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$Sync.innerRun(FutureTask.java:303)+
+          at java.util.concurrent.FutureTask.run(FutureTask.java:138)+
+          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)+
+          at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)+
+          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)+
+          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)+
+          at java.lang.Thread.run(Thread.java:662)+
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