[jboss-user] [jBPM] - jbpm5:Failed to set process variables

[jack pan]

jack pan [http://community.jboss.org/people/timerule] created the document:

"jbpm5:Failed to set process variables"

To view the document, visit: http://community.jboss.org/docs/DOC-16912

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Customize rest method in gwt-console-server.war: 
@PUT
 @Path("instance/{id}/addInstanceData")
 @Consumes("multipart/form-data")
 public Response addInstanceData(
 @PathParam("id")
 String instanceId, 
 Map<String, String> processVars){
  try {
   Map<String,Object> params = new HashMap<String, Object>();
   params.put("testkey", "testValue");
   
   getProcessManagement().setInstanceData(instanceId, params);
   return Response.ok().build();
  } catch (Throwable t) {
   throw new WebApplicationException(t, 500);
  }
 }
 
 private ProcessManagement getProcessManagement() {
  if (null == this.processManagement) {
   ManagementFactory factory = ManagementFactory.newInstance();
   this.processManagement = factory.createProcessManagement();
   log.debug("Using ManagementFactory impl:"
     + factory.getClass().getName());
  }
  return this.processManagement;
 }
 

Throws the following error:
2011-06-13 20:17:35,468 INFO  [STDOUT] (http-0.0.0.0-8080-4) Hibernate: select processins0_.InstanceId as InstanceId54_0_, processins0_.lastModificationDate as lastModi2_54_0_, processins0_.lastReadDate as lastRead3_54_0_, processins0_.processId as processId54_0_, processins0_.processInstanceByteArray as processI5_54_0_, processins0_.startDate as startDate54_0_, processins0_.state as state54_0_, processins0_.OPTLOCK as OPTLOCK54_0_ from ProcessInstanceInfo processins0_ where processins0_.InstanceId=?
2011-06-13 20:17:35,484 INFO  [STDOUT] (http-0.0.0.0-8080-4) Hibernate: update ProcessInstanceInfo set lastModificationDate=?, lastReadDate=?, processId=?, processInstanceByteArray=?, startDate=?, state=?, OPTLOCK=? where InstanceId=? and OPTLOCK=?
2011-06-13 20:17:35,500 INFO  [STDOUT] (http-0.0.0.0-8080-4) 20:17:35,484 ERROR [SynchronousDispatcher] failed to execute
javax.ws.rs.WebApplicationException: java.lang.NullPointerException
 at org.jboss.bpm.console.server.CustomFacade.addInstanceData(CustomFacade.java:92)
 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.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:117)
 at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:260)
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:232)
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:166)
 at org.jboss.resteasy.core.DispatcherUtilities.getJaxrsResponse(DispatcherUtilities.java:142)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:173)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:93)
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:68)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
 at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
 at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
 at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
 at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
 at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
 at org.jbpm.process.instance.impl.ProcessInstanceImpl.getProcess(ProcessInstanceImpl.java:67)
 at org.jbpm.process.instance.impl.ProcessInstanceImpl.getContextInstance(ProcessInstanceImpl.java:127)
 at org.jbpm.integration.console.CommandDelegate.setProcessInstanceVariables(CommandDelegate.java:270)
 at org.jbpm.integration.console.ProcessManagement.setInstanceData(ProcessManagement.java:96)
 at org.jboss.bpm.console.server.CustomFacade.addInstanceData(CustomFacade.java:88)
 ... 38 more
 

Any idea anyone?
Thanks
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