gigazhang [https://community.jboss.org/people/gigazhang] created the discussion "AsyncMinaHTWorkItemHandler exception" To view the discussion, visit: https://community.jboss.org/message/744510#744510 -------------------------------------------------------------- AsyncMinaTaskClient client = new AsyncMinaTaskClient(); boolean connected = client.connect("127.0.0.1", 9123); AsyncMinaHTWorkItemHandler taskHandler = new AsyncMinaHTWorkItemHandler(ksession); taskHandler.setClient(taskClient); ksession.getWorkItemManager().registerWorkItemHandler("Human Task", taskHandler); ksession.startProcess(info.getProcessId(), data); throws exception: 2012-06-27 18:56:02,146 WARN [org.hibernate.ejb.AbstractEntityManagerImpl] - <Calling joinTransaction() on a non JTA EntityManager> 2012-06-27 18:56:02,209 ERROR [org.drools.persistence.SingleSessionCommandService] - <Could not commit session> org.jbpm.workflow.instance.WorkflowRuntimeException: [com.baison.shop2:13,838 - Self Evaluation:2] -- Already connected. Disconnect first.     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)     at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)     at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)     at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)     at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)     at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)     at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082)     at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39)     at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.saveProcess(TaskProcessServiceImpl.java:91)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.commitProcess(TaskProcessServiceImpl.java:124)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)     at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)     at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)     at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)     at $Proxy45.commitProcess(Unknown Source)     at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:80)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)     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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)     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:233)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)     at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.IllegalStateException: Already connected. Disconnect first.     at org.jbpm.task.service.mina.MinaTaskClientConnector.connect(MinaTaskClientConnector.java:73)     at org.jbpm.task.service.mina.MinaTaskClientConnector.connect(MinaTaskClientConnector.java:68)     at org.jbpm.task.service.TaskClient.connect(TaskClient.java:790)     at org.jbpm.process.workitem.wsht.AsyncGenericHTWorkItemHandler.connect(AsyncGenericHTWorkItemHandler.java:120)     at org.jbpm.process.workitem.wsht.AsyncGenericHTWorkItemHandler.executeWorkItem(AsyncGenericHTWorkItemHandler.java:147)     at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:55)     at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:105)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)     ... 63 more org.jbpm.workflow.instance.WorkflowRuntimeException: [com.baison.shop2:13,838 - Self Evaluation:2] -- Already connected. Disconnect first.     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:130)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:205)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:164)     at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)     at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)     at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)     at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:188)     at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:303)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:168)     at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:138)     at org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1082)     at org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:320)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:120)     at org.drools.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:39)     at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:367)     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.saveProcess(TaskProcessServiceImpl.java:91)     at com.baison.demo.jbpm.service.TaskProcessServiceImpl.commitProcess(TaskProcessServiceImpl.java:124)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)     at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)     at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)     at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)     at $Proxy45.commitProcess(Unknown Source)     at com.baison.demo.jbpm.controller.TaskProcessController.getUserCommitProcess(TaskProcessController.java:80)     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)     at java.lang.reflect.Method.invoke(Method.java:601)     at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:212)     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)     at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)     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.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)     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:233)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)     at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.IllegalStateException: Already connected. Disconnect first.     at org.jbpm.task.service.mina.MinaTaskClientConnector.connect(MinaTaskClientConnector.java:73)     at org.jbpm.task.service.mina.MinaTaskClientConnector.connect(MinaTaskClientConnector.java:68)     at org.jbpm.task.service.TaskClient.connect(TaskClient.java:790)     at org.jbpm.process.workitem.wsht.AsyncGenericHTWorkItemHandler.connect(AsyncGenericHTWorkItemHandler.java:120)     at org.jbpm.process.workitem.wsht.AsyncGenericHTWorkItemHandler.executeWorkItem(AsyncGenericHTWorkItemHandler.java:147)     at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:55)     at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:105)     at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:124)     ... 63 more 2012-06-27 18:56:02,550 INFO [org.apache.mina.filter.logging.LoggingFilter] - <IDLE> -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/744510#744510] Start a new discussion in jBPM Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]