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 -------------------------------------------------------------- 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? 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