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    Getting an IOException when trying to use Persistence
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    created by <a href="http://community.jboss.org/people/bezudar">Abhishek Chavan</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/625017#625017">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi All,</p><p>I am trying to use Persistence with User Tasks and am getting a IllegalStateException when it tries to save WorkItemInfo. I am using the example given by Salaboy. The same code gives no problem when I use a normal KnowledgeSession but when I try to use a JPAKnowledgeSession I get this error. Would appreciate any help. Would attach code if needed.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><pre class="jive-pre"><code class="jive-code jive-java">java.lang.IllegalArgumentException: IOException <font color="navy"><b>while</b></font> storing workItem 1: com.wordpress.salaboy.example.model.Emergency
&#160;&#160;&#160; at org.drools.persistence.info.WorkItemInfo.update(WorkItemInfo.java:125)
&#160;&#160;&#160; at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:44)
&#160;&#160;&#160; at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:106)
&#160;&#160;&#160; at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)
&#160;&#160;&#160; at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:186)
&#160;&#160;&#160; at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:150)
&#160;&#160;&#160; at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)
&#160;&#160;&#160; at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)
&#160;&#160;&#160; at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:122)
&#160;&#160;&#160; at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)
&#160;&#160;&#160; at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)
&#160;&#160;&#160; at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:302)
&#160;&#160;&#160; at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:155)
&#160;&#160;&#160; at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:125)
&#160;&#160;&#160; at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1095)
&#160;&#160;&#160; at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:306)
&#160;&#160;&#160; at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:119)
&#160;&#160;&#160; at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:38)
&#160;&#160;&#160; at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)
&#160;&#160;&#160; at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:299)
&#160;&#160;&#160; at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:222)
&#160;&#160;&#160; at com.wordpress.salaboy.examples.SimpleEmergencyProcessTest.emergencyWithRulesTest(SimpleEmergencyProcessTest.java:316)
&#160;&#160;&#160; at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
&#160;&#160;&#160; at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
&#160;&#160;&#160; at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
&#160;&#160;&#160; at java.lang.reflect.Method.invoke(Unknown Source)
&#160;&#160;&#160; at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
&#160;&#160;&#160; at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
&#160;&#160;&#160; at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
&#160;&#160;&#160; at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
&#160;&#160;&#160; at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
&#160;&#160;&#160; at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
&#160;&#160;&#160; at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
&#160;&#160;&#160; at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
&#160;&#160;&#160; at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
&#160;&#160;&#160; at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
&#160;&#160;&#160; at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
&#160;&#160;&#160; at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
&#160;&#160;&#160; at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
&#160;&#160;&#160; at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
&#160;&#160;&#160; at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
&#160;
</code></pre></div>

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