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TwoPhaseCoordinator.beforeCompletion - Unknown node instance type
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created by <a href="https://community.jboss.org/people/tmag">tmag</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/764183#764183">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Am getting the following exception intermittently with JBPM 5.3 - while trying to update process variables :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><em>try {</em></strong></p><p><strong><em>            UserTransaction ut = (UserTransaction) new InitialContext().lookup( "java:comp/UserTransaction" );</em></strong></p><p><strong><em>            ut.begin();</em></strong></p><p>            </p><p><strong><em>            WorkflowProcessInstance processInstance = (WorkflowProcessInstance) ksession.getProcessInstance(processId);</em></strong></p><p>            </p><p><strong><em>            for(Map.Entry<String, Object> entry : values.entrySet()) {</em></strong></p><p><strong><em>                processInstance.setVariable(entry.getKey(), entry.getValue());</em></strong></p><p><strong><em>            }</em></strong></p><p>            </p><p><strong><em>            ut.commit();</em></strong></p><p><strong><em>        } catch (...............................</em></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>But this is not happening consistenly though. What could be the reason?  Could someone please help.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>2012-10-10 15:41:20,752 WARN  [com.arjuna.ats.arjuna.logging.arjLoggerI18N] (http-127.0.0.1-8080-1) [com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2] TwoPhaseCoordinator.beforeCompletion - failed for com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple@110e0b4</p><p>javax.persistence.PersistenceException: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.EndNodeInstance@12cb0e2</p><p>    at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)</p><p>    at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:101)</p><p>    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:263)</p><p>    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)</p><p>    at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)</p><p>    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1414)</p><p>    at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)</p><p>    at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)</p><p>    at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:162)</p><p>    at com.bac.jbpm.process.util.JBPMUtil.updateProcessVariables(Unknown Source)</p><p>    at com.mycto.reminder.service.ReminderService.setReminder(Unknown Source)</p><p>    at com.mycto.reminder.service.ReminderService.stopReminder(Unknown Source)</p><p>    at com.jbpm.demo.common.controller.StopReminderController.submit(Unknown Source)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</p><p>    at java.lang.reflect.Method.invoke(Method.java:601)</p><p>    at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)</p><p>    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)</p><p>    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:915)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:815)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)</p><p>    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:789)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p>    at java.lang.Thread.run(Thread.java:722)</p><p>Caused by: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.EndNodeInstance@12cb0e2</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProtobufProcessInstanceMarshaller.java:343)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstance(AbstractProtobufProcessInstanceMarshaller.java:149)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:107)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:70)</p><p>    at org.jbpm.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:198)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</p><p>    at java.lang.reflect.Method.invoke(Method.java:601)</p><p>    at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)</p><p>    at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)</p><p>    at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)</p><p>    at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)</p><p>    at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)</p><p>    at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)</p><p>    at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)</p><p>    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)</p><p>    at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)</p><p>    at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)</p><p>    ... 46 more</p><p>2012-10-10 15:41:20,799 INFO  [STDOUT] (http-127.0.0.1-8080-1) ERROR JBPMUtil - [com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted] [com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted] Could not commit transaction.</p><p>javax.transaction.RollbackException: [com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted] [com.arjuna.ats.internal.jta.transaction.arjunacore.commitwhenaborted] Could not commit transaction.</p><p>    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1426)</p><p>    at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135)</p><p>    at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)</p><p>    at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:162)</p><p>    at com.bac.jbpm.process.util.JBPMUtil.updateProcessVariables(Unknown Source)</p><p>    at com.mycto.reminder.service.ReminderService.setReminder(Unknown Source)</p><p>    at com.mycto.reminder.service.ReminderService.stopReminder(Unknown Source)</p><p>    at com.jbpm.demo.common.controller.StopReminderController.submit(Unknown Source)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</p><p>    at java.lang.reflect.Method.invoke(Method.java:601)</p><p>    at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)</p><p>    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)</p><p>    at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:915)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:815)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)</p><p>    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:789)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p>    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)</p><p>    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)</p><p>    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p>    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)</p><p>    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)</p><p>    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)</p><p>    at java.lang.Thread.run(Thread.java:722)</p><p>Caused by: javax.persistence.PersistenceException: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.EndNodeInstance@12cb0e2</p><p>    at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:516)</p><p>    at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:101)</p><p>    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:263)</p><p>    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86)</p><p>    at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)</p><p>    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1414)</p><p>    ... 41 more</p><p>Caused by: java.lang.IllegalArgumentException: Unknown node instance type: org.jbpm.workflow.instance.node.EndNodeInstance@12cb0e2</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstanceContent(AbstractProtobufProcessInstanceMarshaller.java:343)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeNodeInstance(AbstractProtobufProcessInstanceMarshaller.java:149)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:107)</p><p>    at org.jbpm.marshalling.impl.AbstractProtobufProcessInstanceMarshaller.writeProcessInstance(AbstractProtobufProcessInstanceMarshaller.java:70)</p><p>    at org.jbpm.persistence.processinstance.ProcessInstanceInfo.update(ProcessInstanceInfo.java:198)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</p><p>    at java.lang.reflect.Method.invoke(Method.java:601)</p><p>    at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:23)</p><p>    at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:80)</p><p>    at org.hibernate.ejb.event.EntityCallbackHandler.preUpdate(EntityCallbackHandler.java:65)</p><p>    at org.hibernate.ejb.event.EJB3FlushEntityEventListener.invokeInterceptor(EJB3FlushEntityEventListener.java:41)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:330)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:270)</p><p>    at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151)</p><p>    at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)</p><p>    at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)</p><p>    at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49)</p><p>    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028)</p><p>    at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)</p><p>    at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)</p><p>    ... 46 more</p><p>2012-10-10 15:41:21,080 INFO  [STDOUT] (pool-11-thread-1) ERROR TimerManager - Error when executing timer job</p><p>org.drools.RuntimeDroolsException: Unexpected exception executing action org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction@41a0e9</p><p>    at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:995)</p><p>    at org.drools.impl.StatefulKnowledgeSessionImpl.executeQueuedActions(StatefulKnowledgeSessionImpl.java:866)</p><p>    at org.jbpm.process.instance.event.DefaultSignalManager.signalEvent(DefaultSignalManager.java:90)</p><p>    at org.jbpm.process.instance.timer.TimerManager$ProcessJob.execute(TimerManager.java:315)</p><p>    at org.drools.time.SelfRemovalJob.execute(SelfRemovalJob.java:15)</p><p>    at org.drools.time.impl.DefaultTimerJobInstance.call(DefaultTimerJobInstance.java:51)</p><p>    at org.drools.persistence.jpa.JpaTimerJobInstance.internalCall(JpaTimerJobInstance.java:43)</p><p>    at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:20)</p><p>    at org.drools.persistence.jpa.JDKCallableJobCommand.execute(JDKCallableJobCommand.java:6)</p><p>    at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)</p><p>    at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)</p><p>    at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)</p><p>    at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)</p><p>    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)</p><p>    at java.util.concurrent.FutureTask.run(FutureTask.java:166)</p><p>    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)</p><p>    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)</p><p>    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)</p><p>    at java.lang.Thread.run(Thread.java:722)</p><p>Caused by: java.lang.NullPointerException</p><p>    at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:68)</p><p>    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getWorkflowProcess(WorkflowProcessInstanceImpl.java:181)</p><p>    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getNodeContainer(WorkflowProcessInstanceImpl.java:69)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNode(NodeInstanceImpl.java:103)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNodeName(NodeInstanceImpl.java:79)</p><p>    at org.jbpm.workflow.instance.WorkflowRuntimeException.<init>(WorkflowRuntimeException.java:33)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:132)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)</p><p>    at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)</p><p>    at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:216)</p><p>    at org.jbpm.workflow.instance.node.TimerNodeInstance.triggerCompleted(TimerNodeInstance.java:157)</p><p>    at org.jbpm.workflow.instance.node.TimerNodeInstance.signalEvent(TimerNodeInstance.java:147)</p><p>    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:342)</p><p>    at org.jbpm.process.instance.event.DefaultSignalManager$SignalProcessInstanceAction.execute(DefaultSignalManager.java:118)</p><p>    at org.drools.common.AbstractWorkingMemory.executeQueuedActions(AbstractWorkingMemory.java:993)</p><p>    ... 19 more</p></div>
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