neeraj sharma [https://community.jboss.org/people/nsharm28] created the discussion "Couldn't retrieve the node name for the process instance" To view the discussion, visit: https://community.jboss.org/message/787574#787574 -------------------------------------------------------------- Hi, When i am trying  to retreive the node name for particular process instance. I am getting following Error.       at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Caused by: java.lang.NullPointerException         at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:68)         at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getWorkflowProcess(WorkflowProcessInstanceImpl.java:181)         at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getNodeContainer(WorkflowProcessInstanceImpl.java:69)         at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNode(NodeInstanceImpl.java:103)         at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNodeName(NodeInstanceImpl.java:79)   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)   at java.lang.reflect.Method.invoke(Method.java:597)   at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:173)   at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:89)   at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:167)   at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:94)   at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58)   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)   at java.util.concurrent.FutureTask.run(FutureTask.java:139)   at org.apache.cxf.workqueue.SynchronousExecutor.execute(SynchronousExecutor.java:38)   at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:106)   at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)   at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:123)   at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:207)   at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:213)   at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:154)   at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:126)   at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:186)   at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:109)   at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)   at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:164)   at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)   at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)   at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)   at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:176) below is the LOC, to get nodename *System.out.println(("Node name "+((org.jbpm.workflow.instance.WorkflowProcessInstance)instance).getNodeInstances().iterator().next().getNodeName()));* -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/787574#787574] Start a new discussion in jBPM Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]