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Couldn't retrieve the node name for the process instance
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created by <a href="https://community.jboss.org/people/nsharm28">neeraj sharma</a> in <i>jBPM</i> - <a href="https://community.jboss.org/docs/DOC-48188">View the full document</a>
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<div class="jive-rendered-content"><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">When i am trying  to retreive the node name for particular process instance. I am getting following Error.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">  <span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">      at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">Caused by: java.lang.NullPointerException</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">        at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:68)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">        at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getWorkflowProcess(WorkflowProcessInstanceImpl.java:181)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">        at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getNodeContainer(WorkflowProcessInstanceImpl.java:69)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">        at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNode(NodeInstanceImpl.java:103)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">        at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNodeName(NodeInstanceImpl.java:79)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at java.lang.reflect.Method.invoke(Method.java:597)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:173)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:89)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:167)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:94)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at java.util.concurrent.FutureTask.run(FutureTask.java:139)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:38)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:106)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:123)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:207)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:213)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:154)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:126)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:186)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:109)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:164)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)</span></p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><span style="font-size: 8pt; font-family: arial, helvetica, sans-serif;">  at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:176)</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">below is the LOC, to get nodename</p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><strong>System.out.println(("Node name "+((org.jbpm.workflow.instance.WorkflowProcessInstance)instance).getNodeInstances().iterator().next().getNodeName()));</strong></p></div>
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