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Bug : Getting NullPointerException when getting the ProcessInstance p = ksession.getProcessInstance(id)
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created by <a href="http://community.jboss.org/people/uvijayreddy657">uvijayreddy657</a> in <i>jBPM Development</i> - <a href="http://community.jboss.org/message/629203#629203">View the full discussion</a>
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<div class="jive-rendered-content"><p>Below is the stacktrace:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.NullPointerException</p><p> at org.jbpm.process.instance.impl.ProcessInstanceImpl.setProcess(ProcessInstanceImpl.java:61)</p><p> at org.jbpm.marshalling.impl.AbstractProcessInstanceMarshaller.readProcessInstance(AbstractProcessInstanceMarshaller.java:380)</p><p> at org.jbpm.persistence.processinstance.ProcessInstanceInfo.getProcessInstance(ProcessInstanceInfo.java:133)</p><p> at org.jbpm.persistence.processinstance.JPAProcessInstanceManager.getProcessInstance(JPAProcessInstanceManager.java:64)</p><p> at org.jbpm.process.instance.ProcessRuntimeImpl.getProcessInstance(ProcessRuntimeImpl.java:190)</p><p> at org.drools.common.AbstractWorkingMemory.getProcessInstance(AbstractWorkingMemory.java:1113)</p><p> at org.drools.impl.StatefulKnowledgeSessionImpl.getProcessInstance(StatefulKnowledgeSessionImpl.java:283)</p><p> at org.drools.command.runtime.process.GetProcessInstanceCommand.execute(GetProcessInstanceCommand.java:48)</p><p> at org.drools.command.runtime.process.GetProcessInstanceCommand.execute(GetProcessInstanceCommand.java:25)</p><p> at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:292)</p><p> at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.getProcessInstance(CommandBasedStatefulKnowledgeSession.java:124)</p><p> at com.emirates.sds.workflow.bpmn.engine.CWFEngine.getProcessInstance(CWFEngine.java:225)</p><p> at com.emirates.sds.workflow.mbean.CWorkflowDesignerMBean.getAssignedTasks(CWorkflowDesignerMBean.java:739)</p><p> at com.emirates.sds.workflow.mbean.CWorkflowDesignerMBean.getTasks(CWorkflowDesignerMBean.java:1217)</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 javax.el.BeanELResolver.getValue(BeanELResolver.java:62)</p><p> at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:54)</p><p> at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:71)</p><p> at org.apache.el.parser.AstValue.getValue(AstValue.java:118)</p><p> at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:186)</p><p> at com.sun.facelets.el.TagValueExpression.getValue(TagValueExpression.java:71)</p><p> at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:190)</p><p> at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:178)</p><p> at javax.faces.component.UIData.getValue(UIData.java:554)</p><p> at org.ajax4jsf.component.UIDataAdaptorBase.getValue(UIDataAdaptorBase.java:1647)</p><p> at org.ajax4jsf.component.SequenceDataAdaptor.getDataModel(SequenceDataAdaptor.java:65)</p><p> at org.richfaces.component.UIExtendedDataTable.resetDataModel(UIExtendedDataTable.java:390)</p><p> at org.ajax4jsf.component.UIDataAdaptorBase.beforeRenderResponse(UIDataAdaptorBase.java:1656)</p><p> at org.richfaces.component.UIExtendedDataTable.beforeRenderResponse(UIExtendedDataTable.java:417)</p><p> at org.ajax4jsf.component.RenderPhaseUIDataAdaptorVisitor.beforeComponent(RenderPhaseUIDataAdaptorVisitor.java:44)</p><p> at org.richfaces.event.RenderPhaseComponentListener.processComponents(RenderPhaseComponentListener.java:47)</p><p> at org.richfaces.event.RenderPhaseComponentListener.processComponents(RenderPhaseComponentListener.java:55)</p><p> at org.richfaces.event.RenderPhaseComponentListener.processComponents(RenderPhaseComponentListener.java:55)</p><p> at org.richfaces.event.RenderPhaseComponentListener.processComponents(RenderPhaseComponentListener.java:55)</p><p> at org.richfaces.event.RenderPhaseComponentListener.beforePhase(RenderPhaseComponentListener.java:71)</p><p> at org.ajax4jsf.component.AjaxViewRoot.processPhaseListeners(AjaxViewRoot.java:188)</p><p> at org.ajax4jsf.component.AjaxViewRoot.encodeBegin(AjaxViewRoot.java:510)</p><p> at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1641)</p><p> at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:592)</p><p> at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)</p><p> at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)</p><p> at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:117)</p><p> at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)</p><p> at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:135)</p><p> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:309)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)</p><p> at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)</p><p> at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)</p><p> at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:349)</p><p> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)</p><p> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</p><p> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)</p><p> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</p><p> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</p><p> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</p><p> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</p><p> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)</p><p> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)</p><p> at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)</p><p> at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</p><p> at java.lang.Thread.run(Thread.java:619)</p></div>
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