Details
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Bug
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Resolution: Done
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Major
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jBPM 6.0.0.Final
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None
Description
Default configuration for REST Service Task needs modification.
Issue #1: Even though all other parameters appear under "Assignments" by default, no assignment is included for "Url" parameter by default, even though it is required. Error message from RESTWorkItemHandler.java:110 was descriptive, and I added the assignment, but it should ideally be there already.
Issue #2: Once I've assigned values to "Url" and "Method", executing an instance of the process results in the stacktrace below[1]. I noticed that ReadTimeout and ConnectTimeout parameters in DataInputSet are defaulting to type String, even though they're treated as Integer in RESTWorkItemHandler.java, but changing their type to Integer in the DataInputSet doesn't seem to have fixed the problem. Assigning them values also results in the same exception.
[1] 14:44:34,598 WARN [org.jbpm.services.task.persistence.TaskTransactionInterceptor] (http-localhost/127.0.0.1:8080-2) Could not commit session: org.jbpm.workflow.instance.WorkflowRuntimeException: [DMSPlusWorkflow.POCWorkflow:3 - REST:3] – java.lang.String cannot be cast to java.lang.Integer
at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:135) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:155) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:337) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:296) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:44) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:286) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:265) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(WorkItemNodeInstance.java:275) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.HumanTaskNodeInstance.triggerCompleted(HumanTaskNodeInstance.java:93) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.WorkItemNodeInstance.workItemCompleted(WorkItemNodeInstance.java:337) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:313) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:399) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.completeWorkItem(JPAWorkItemManager.java:134) [drools-persistence-jpa-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:74) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.runtime.process.CompleteWorkItemCommand.execute(CompleteWorkItemCommand.java:35) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.persistence.SingleSessionCommandService$TransactionInterceptor.execute(SingleSessionCommandService.java:527) [drools-persistence-jpa-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:73) [drools-persistence-jpa-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:375) [drools-persistence-jpa-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession$1.completeWorkItem(CommandBasedStatefulKnowledgeSession.java:147) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.wih.ExternalTaskEventListener.processTaskState(ExternalTaskEventListener.java:75) [jbpm-human-task-workitems-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.wih.ExternalTaskEventListener.afterTaskCompletedEvent(ExternalTaskEventListener.java:119) [jbpm-human-task-workitems-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.events.TaskEventSupport.fireAfterTaskCompleted(TaskEventSupport.java:189) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.internals.lifecycle.MVELLifeCycleManager.taskOperation(MVELLifeCycleManager.java:340) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.identity.UserGroupLifeCycleManagerDecorator.taskOperation(UserGroupLifeCycleManagerDecorator.java:46) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.impl.TaskInstanceServiceImpl.complete(TaskInstanceServiceImpl.java:138) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.commands.CompleteTaskCommand.execute(CompleteTaskCommand.java:70) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.commands.CompleteTaskCommand.execute(CompleteTaskCommand.java:37) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.commands.CompositeCommand.execute(CompositeCommand.java:38) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.commands.TaskCommandExecutorImpl$SelfExecutionCommandService.execute(TaskCommandExecutorImpl.java:65) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41) [drools-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.persistence.TaskTransactionInterceptor.execute(TaskTransactionInterceptor.java:54) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.commands.TaskCommandExecutorImpl.execute(TaskCommandExecutorImpl.java:40) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.services.task.impl.command.CommandBasedTaskService.complete(CommandBasedTaskService.java:144) [jbpm-human-task-core-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.console.ng.ht.backend.server.TaskServiceEntryPointImpl.complete(TaskServiceEntryPointImpl.java:312) [jbpm-console-ng-human-tasks-backend-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.console.ng.ht.backend.server.TaskServiceEntryPointImpl$Proxy$$$_WeldClientProxy.complete(TaskServiceEntryPointImpl$Proxy$$$_WeldClientProxy.java) [jbpm-console-ng-human-tasks-backend-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_51]
at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_51]
at org.jboss.errai.bus.server.io.AbstractRPCMethodCallback.invokeMethodFromMessage(AbstractRPCMethodCallback.java:48) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.io.VoidRPCEndpointCallback.callback(VoidRPCEndpointCallback.java:20) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteServiceCallback.java:54) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.cdi.server.CDIExtensionPoints$3.callback(CDIExtensionPoints.java:499) [errai-weld-integration-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.DeliveryPlan.deliver(DeliveryPlan.java:47) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMessageBusImpl.java:284) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDispatcher.java:46) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:92) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:109) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(DefaultBlockingServlet.java:140) [errai-bus-2.4.3.Final-redhat-4.jar:2.4.3.Final-redhat-4]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.2.Final-redhat-1.jar:1.0.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.jboss.solder.servlet.exception.CatchExceptionFilter.doFilter(CatchExceptionFilter.java:65) [solder-impl-3.2.1.Final.jar:3.2.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.jboss.solder.servlet.event.ServletEventBridgeFilter.doFilter(ServletEventBridgeFilter.java:74) [solder-impl-3.2.1.Final.jar:3.2.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.jbpm.designer.web.filter.impl.PluggableFilter.doFilter(PluggableFilter.java:70) [jbpm-designer-backend-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.uberfire.security.server.UberFireSecurityFilter.doFilter(UberFireSecurityFilter.java:266) [uberfire-security-server-0.3.2-redhat-2.jar:0.3.2-redhat-2]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:499) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169) [jboss-as-web-7.2.1.Final-redhat-10.jar:7.2.1.Final-redhat-10]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:408) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer
at org.jbpm.process.workitem.rest.RESTWorkItemHandler.executeWorkItem(RESTWorkItemHandler.java:118) [jbpm-workitems-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:56) [drools-persistence-jpa-6.0.2-redhat-2.jar:6.0.2-redhat-2]
at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:124) [jbpm-flow-6.0.2-redhat-2.jar:6.0.2-redhat-2]
... 82 more