topic Not able to see the image of process instance in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/not-able-to-see-the-image-of-process-instance/m-p/143903#M100677 <HTML><HEAD></HEAD><BODY><SPAN>Hi, </SPAN><BR /><BR /><SPAN>I am getting following exception when I try to see my failed process instances in activiti explorer.&nbsp; This happened for the first time, My previous deployments were working perfectly fine.</SPAN><BR /><BR /><SPAN>Is there a way I can fix this ?</SPAN><BR /><BR /><SPAN>Exception</SPAN><BR /><BR /><SPAN>com.vaadin.event.ListenerMethod$MethodException</SPAN><BR /><SPAN>Cause: org.activiti.engine.ActivitiException: Error while generating process image</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:164)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.AbstractComponent.fireEvent(AbstractComponent.java:1193)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:891)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.AbstractField.setValue(AbstractField.java:529)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:666)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.AbstractSelect.changeVariables(AbstractSelect.java:475)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.ui.Table.changeVariables(Table.java:2038)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariableBurst(AbstractCommunicationManager.java:1299)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.handleVariables(AbstractCommunicationManager.java:1219)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:735)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:296)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:501)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at java.lang.Thread.run(Thread.java:662)</SPAN><BR /><SPAN>Caused by: org.activiti.engine.ActivitiException: Error while generating process image</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramCanvas.generateImage(ProcessDiagramCanvas.java:170)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator.generateDiagram(ProcessDiagramGenerator.java:236)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.explorer.ui.process.ProcessDefinitionImageStreamResourceBuilder.buildStreamResource(ProcessDefinitionImageStreamResourceBuilder.java:71)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.explorer.ui.management.process.ProcessInstanceDetailPanel.addProcessImage(ProcessInstanceDetailPanel.java:157)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.explorer.ui.management.process.ProcessInstanceDetailPanel.init(ProcessInstanceDetailPanel.java:111)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.explorer.ui.management.process.ProcessInstanceDetailPanel.(ProcessInstanceDetailPanel.java:98)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at org.activiti.explorer.ui.process.ProcessInstancePage$1.valueChange(ProcessInstancePage.java:60)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at sun.reflect.GeneratedMethodAccessor308.invoke(Unknown Source)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Method.java:597)</SPAN><BR /><SPAN>&nbsp;&nbsp;&nbsp;at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:490)</SPAN><BR /><BR /><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Maulee.</SPAN></BODY></HTML> Tue, 18 Dec 2012 07:08:33 GMT maulee17 2012-12-18T07:08:33Z Not able to see the image of process instance https://connect.hyland.com/t5/alfresco-archive/not-able-to-see-the-image-of-process-instance/m-p/143903#M100677 Hi, I am getting following exception when I try to see my failed process instances in activiti explorer.&nbsp; This happened for the first time, My previous deployments were working perfectly fine.Is there a way I can fix this ?Exceptioncom.vaadin.event.ListenerMethod$MethodExceptionCause: org.activiti.e Tue, 18 Dec 2012 07:08:33 GMT https://connect.hyland.com/t5/alfresco-archive/not-able-to-see-the-image-of-process-instance/m-p/143903#M100677 maulee17 2012-12-18T07:08:33Z Re: Not able to see the image of process instance https://connect.hyland.com/t5/alfresco-archive/not-able-to-see-the-image-of-process-instance/m-p/143904#M100678 <HTML><HEAD></HEAD><BODY><SPAN>Is that all the stacktrace there is? I would hope there is a cause for why the generation failed … ?</SPAN></BODY></HTML> Tue, 18 Dec 2012 16:38:59 GMT https://connect.hyland.com/t5/alfresco-archive/not-able-to-see-the-image-of-process-instance/m-p/143904#M100678 jbarrez 2012-12-18T16:38:59Z