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Problem with WorkItems on gwt-console
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created by <a href="https://community.jboss.org/people/elbocia">elbocia</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/777114#777114">View the full discussion</a>
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<div class="jive-rendered-content"><p>I have deployed jbpm (drools-guvnora and jbpm console) on Tomcat 6.0.35.</p><p>I have created a simple process (Start --> Task Log (default WorkItem) --> End) in guvnor but when I execute this process on console I have this error:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="font-family: Tahoma, Arial, sans-serif; background-color: #ffffff; color: #000000; font-size: 12px;"><strong style="color: white; background-color: #525d76;">exception</strong></p><pre style="color: #000000;">org.jboss.resteasy.spi.UnhandledException: org.jbpm.workflow.instance.WorkflowRuntimeException: [defaultPackage.processo1:1 - Log:3] -- Could not find work item handler for Log org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:345) org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:321) org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214) org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190) org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:534) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) </pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="font-family: Tahoma, Arial, sans-serif; background-color: #ffffff; color: #000000; font-size: 12px;"><strong style="color: white; background-color: #525d76;">root cause</strong></p><pre style="color: #000000;">org.jbpm.workflow.instance.WorkflowRuntimeException: [defaultPackage.processo1:1 - Log:3] -- Could not find work item handler for Log org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130) org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205) org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164) org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49) org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41) org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124) org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35) org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188) org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303) org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168) org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138) org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082) org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320) org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120) org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39) org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36) org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367) org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223) org.jbpm.integration.console.CommandDelegate.startProcess(CommandDelegate.java:120) org.jbpm.integration.console.ProcessManagement.newInstance(ProcessManagement.java:88) org.jboss.bpm.console.server.FormProcessingFacade.startProcessWithUI(FormProcessingFacade.java:197) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:255) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209) org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:519) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) </pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="font-family: Tahoma, Arial, sans-serif; background-color: #ffffff; color: #000000; font-size: 12px;"><strong style="color: white; background-color: #525d76;">root cause</strong></p><pre style="color: #000000;">org.drools.WorkItemHandlerNotFoundException: Could not find work item handler for Log org.drools.persistence.jpa.processinstance.JPAWorkItemManager.throwWorkItemNotFoundException(JPAWorkItemManager.java:62) org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:57) org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:105) org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124) org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205) org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164) org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49) org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41) org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124) org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35) org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188) org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303) org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168) org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138) org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082) org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320) org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120) org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39) org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36) org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367) org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223) org.jbpm.integration.console.CommandDelegate.startProcess(CommandDelegate.java:120) org.jbpm.integration.console.ProcessManagement.newInstance(ProcessManagement.java:88) org.jboss.bpm.console.server.FormProcessingFacade.startProcessWithUI(FormProcessingFacade.java:197) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:597) org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140) org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:255) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220) org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209) org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:519) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496) org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) javax.servlet.http.HttpServlet.service(HttpServlet.java:717) org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)</pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Why the console doesn't see the workitem?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Sorry for my english.</p></div>
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