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Not able to get the Node Name
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created by <a href="https://community.jboss.org/people/balajiora">Balaji Subramaniam</a> in <i>jBPM Development</i> - <a href="https://community.jboss.org/message/806955#806955">View the full discussion</a>
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<div class="jive-rendered-content"><p>I have simple Human Task Process,  Using JBPM API, I am trying to get the Node Name and I am getting Null Pointer Exception.  But I am able to get the Node Id.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>long nodeId = ((org.jbpm.workflow.instance.WorkflowProcessInstance)processInst).getNodeInstances().iterator().next().getId();</p><p>        LOG.info("Node Id : "+nodeId);</p><p>nodeName = ((org.jbpm.workflow.instance.WorkflowProcessInstance)processInst).getNodeInstances().iterator().next().getNodeName();</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a href="https://community.jboss.org/servlet/JiveServlet/showImage/2-806955-20583/HumanTask.jpg"><span> https://community.jboss.org/servlet/JiveServlet/downloadImage/2-806955-20583/437-600/HumanTask.jpg </span></a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Exception Message:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Exception in getNodeName Method</p><p>java.lang.NullPointerException</p><p>    at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:68)</p><p>    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getWorkflowProcess(WorkflowProcessInstanceImpl.java:181)</p><p>    at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.getNodeContainer(WorkflowProcessInstanceImpl.java:69)</p><p>    at org.jbpm.workflow.instance.impl.NodeInstanceImpl.getNode(NodeInstanceImpl.java:103)</p><p>    at org.jbpm.workflow.instance.node.WorkItemNodeInstance.getNodeName(WorkItemNodeInstance.java:314)</p><p>    at com.jpmorgan.jbpm.process.SpringProcessManagement.getNodeName(SpringProcessManagement.java:206)</p><p>    at com.jpmorgan.jbpm.controllers.StartProcess.actionOnTask(StartProcess.java:106)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)</p><p>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>    at java.lang.reflect.Method.invoke(Method.java:597)</p><p>    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)</p><p>    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)</p><p>    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)</p><p>    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)</p><p>    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)</p><p>    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)</p><p>    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)</p><p>    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:920)</p><p>    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:816)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)</p><p>    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:801)</p><p>    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)</p><p>    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p><p>    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)</p><p>    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)</p><p>    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)</p><p>    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)</p><p>    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)</p><p>    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)</p><p>    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)</p><p>    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)</p><p>    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)</p><p>    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)</p><p>    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)</p><p>    at java.lang.Thread.run(Thread.java:662)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Could you please help me to resolve this issue?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Balaji</p></div>
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