[jboss-user] [jBPM] - Re: MapBasedPersistenceTest issue

[Donald Walters]

Donald Walters [http://community.jboss.org/people/dondragon2] created the discussion

"Re: MapBasedPersistenceTest issue"

To view the discussion, visit: http://community.jboss.org/message/633584#633584

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I found the issue. I was using the drools MapPersistenceContext instead of the sample from
 https://github.com/krisv/jbpm/blob/master/jbpm-persistence-jpa/src/test/java/org/jbpm/persistence/map/impl/MapBasedPersistenceTest.java https://github.com/krisv/jbpm/blob/master/jbpm-persistence-jpa/src/test/java/org/jbpm/persistence/map/impl/MapBasedPersistenceTest.java

But now I am getting the following error below sometimes. What could have caused this?

java.lang.NullPointerException
          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.setState(WorkflowProcessInstanceImpl.java:251)
          at org.jbpm.marshalling.impl.AbstractProcessInstanceMarshaller.readProcessInstance(AbstractProcessInstanceMarshaller.java:382)
          at org.jbpm.persistence.processinstance.ProcessInstanceInfo.getProcessInstance(ProcessInstanceInfo.java:133)
          at org.jbpm.persistence.processinstance.JPAProcessInstanceManager.getProcessInstance(JPAProcessInstanceManager.java:64)
          at org.jbpm.process.instance.ProcessRuntimeImpl.getProcessInstance(ProcessRuntimeImpl.java:190)
          at org.drools.common.AbstractWorkingMemory.getProcessInstance(AbstractWorkingMemory.java:1113)
          at org.drools.impl.StatefulKnowledgeSessionImpl.getProcessInstance(StatefulKnowledgeSessionImpl.java:283)
          at org.jbpm.persistence.processinstance.JPASignalManager.signalEvent(JPASignalManager.java:24)
          at org.jbpm.process.instance.ProcessRuntimeImpl.signalEvent(ProcessRuntimeImpl.java:355)
          at org.drools.impl.StatefulKnowledgeSessionImpl.signalEvent(StatefulKnowledgeSessionImpl.java:321)
          at org.drools.command.runtime.process.SignalEventCommand.execute(SignalEventCommand.java:91)
          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:292)
          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.signalEvent(CommandBasedStatefulKnowledgeSession.java:200)
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