0 Replies Latest reply on Jun 30, 2011 1:17 PM by Connie Yang

    Unable to mark a task completed when running the task in a separate thread

    Connie Yang Newbie

      Hi,

       

      I have a WorkItemHandler that can run the service task either in the main thread or in a separate thread.  This is my way of handling for-each parallel (aka fanout).  When the service task is run in a separate thread, I have been experiencing a NullPointerException with the following stack trace upon marking the task completed (via NodeInstanceImpl.triggerCompleted).  What am I missing?

       

      1. java.lang.NullPointerException

            at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:67)

            at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getWorkflowProcess(WorkflowProcessInstanceImpl.java:180)

            at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getNodeContainer(WorkflowProcessInstanceImpl.java:68)

            at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNode(NodeInstanceImpl.java:100)

            at org.jbpm.workflow.instance.node.ActionNodeInstance.getActionNode(ActionNodeInstance.java:35)

            at org.jbpm.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:43)

            at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)

            at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:185)

            at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:150)

            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.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:143)

            at org.jbpm.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(WorkItemNodeInstance.java:239)

            at org.jbpm.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(WorkItemNodeInstance.java:301)

            at org.jbpm.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:277)

            at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:333)

            at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.completeWorkItem(JPAWorkItemManager.java:117)

            at com.ebay.cloud.orchest.jbpm.LcmPojoWorkItemHandler$1.run(LcmPojoWorkItemHandler.java:95)

            at com.ebay.kernel.executor.TaskExecutor$Adapter.call(TaskExecutor.java:587)

       

      Thanks in advance!

      Connie