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</o:shapelayout></xml><![endif]--></head><body lang=FR-BE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m trying building a simple test case with drools flow (see in attachment).<o:p></o:p></p><p class=MsoNormal>My flow is like this : Start -> print a message -> human task -> print a message<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The idea of the test is to start the flow and persist the task in the first part.<o:p></o:p></p><p class=MsoNormal>The second part resume the flow using JPAKnowledgeService.loadStatefulKnowledgeSession<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My project is using h2 for tasks and processes persistence.<o:p></o:p></p><p class=MsoNormal>I’m using a custom human task handler, it basicaly persist the task using the org.drools.task.service.TaskService injected via spring quite like the WSHT implementation without all the client/server stuff<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It works fine except when a want to assign actorId via a rule. To do that, I’m trying to reuse the assignment.drl and workflow_rules.drl from the drools examples. I red somewhere that i need to set ‘drools.advancedProcessRuleIntegration=true’ in drools.rulebase.conf to make it work (is that correct ?).<o:p></o:p></p><p class=MsoNormal>When i do that, my workflow doesn’t resume and i’m getting this exception : <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Caused by: </span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>java.lang.NullPointerException</span></u><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.common.AbstractWorkingMemory.update(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>AbstractWorkingMemory.java:1372</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.common.AbstractWorkingMemory.update(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>AbstractWorkingMemory.java:1338</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>WorkItemNodeInstance.java:199</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.workflow.instance.node.HumanTaskNodeInstance.triggerCompleted(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>HumanTaskNodeInstance.java:90</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>WorkItemNodeInstance.java:258</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.workflow.instance.node.WorkItemNodeInstance.signalEvent(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>WorkItemNodeInstance.java:234</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>WorkflowProcessInstanceImpl.java:337</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.persistence.processinstance.JPAWorkItemManager.completeWorkItem(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>JPAWorkItemManager.java:99</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>CompleteWorkItemCommand.java:69</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.command.runtime.process.CompleteWorkItemCommand.execute(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>CompleteWorkItemCommand.java:34</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> at org.drools.persistence.session.SingleSessionCommandService.execute(</span><u><span style='font-size:10.0pt;font-family:"Courier New";color:navy'>SingleSessionCommandService.java:279</span></u><span style='font-size:10.0pt;font-family:"Courier New";color:black'>)</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'> ... 27 more<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>I’ve attached a simple project using maven/spring/hibernate<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Am I missing something ?<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>What am I dong wrong ?<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Thanks for your help</span><span style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>