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Kindly help me in passing processVariables when Human Task completed.
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created by <a href="https://community.jboss.org/people/javalearner">Rajesh P</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/817191#817191">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi All,</p><p>Please some one give light on this problem. I am sstruggling to resolve this issue from last 2 days.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I am using JBPM 5.4.0 final with Spring 3.0 MVC and Hibernate 3. I followed the configuration given in </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-external-small" href="https://github.com/mswiderski/jbpm-examples/tree/master/jbpm-spring-web" target="_blank">https://github.com/mswiderski/jbpm-examples/tree/master/jbpm-spring-web</a><span> link.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Actually when i passing the values to processVariales while human task is going to completed, i am getting null values inside of the script task after the human task.(Please find the attached BPMN file).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The code i am using to complete the Human task is,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>long taskId = unlockRequestVO.getRequestID();</p><p>humanTaskEngine.startTask(taskId,unlockRequestVO.getUser());</p><p>Map<String, Object> results = new HashMap<String,Object>();</p><p>                    results.put("muRequest",unlockRequestVO);</p><p>                    if(unlockRequestVO.getTaskStatus().equals("approve"))</p><p>                    results.put("isApproved",true);</p><p>                    else</p><p>                              results.put("isApproved", false);</p><p>humanTaskEngine.completeWithResults(taskId, user, results);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have used the approach mentioned in the thread</p><p><a class="jive-link-external-small" href="https://community.jboss.org/thread/220416" target="_blank">https://community.jboss.org/thread/220416</a></p><p>But no use.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please let me where am i doing wrong?<span> :-/ </span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Please let me know if any information is required.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>java.lang.RuntimeException: Constraints must return boolean values: null for expression </p><p>          at org.jbpm.process.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:136)</p><p>          at org.jbpm.workflow.instance.node.SplitInstance.internalTrigger(SplitInstance.java:72)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)</p><p>          at org.jbpm.workflow.instance.node.ActionNodeInstance.triggerCompleted(ActionNodeInstance.java:55)</p><p>          at org.jbpm.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:51)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:126)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:279)</p><p>          at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:238)</p><p>          at org.jbpm.workflow.instance.impl.ExtendedNodeInstanceImpl.triggerCompleted(ExtendedNodeInstanceImpl.java:47)</p><p>          at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:216)</p><p>          at org.jbpm.workflow.instance.node.StateBasedNodeInstance.triggerCompleted(StateBasedNodeInstance.java:196)</p><p>          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.triggerCompleted(WorkItemNodeInstance.java:247)</p><p>          at org.jbpm.workflow.instance.node.HumanTaskNodeInstance.triggerCompleted(HumanTaskNodeInstance.java:90)</p><p>          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.workItemAborted(WorkItemNodeInstance.java:301)</p><p>          at org.jbpm.workflow.instance.node.WorkItemNodeInstance.signalEvent(WorkItemNodeInstance.java:287)</p><p>          at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.signalEvent(WorkflowProcessInstanceImpl.java:342)</p><p>          at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.abortWorkItem(JPAWorkItemManager.java:154)</p><p>          at org.drools.command.runtime.process.AbortWorkItemCommand.execute(AbortWorkItemCommand.java:56)</p><p>          at org.drools.command.runtime.process.AbortWorkItemCommand.execute(AbortWorkItemCommand.java:29)</p><p>          at org.drools.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)</p><p>          at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:373)</p><p>          at org.drools.command.impl.CommandBasedStatefulKnowledgeSession$1.abortWorkItem(CommandBasedStatefulKnowledgeSession.java:156)</p><p>          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.handleCompletedTask(GenericHTWorkItemHandler.java:276)</p><p>          at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.execute(GenericHTWorkItemHandler.java:234)</p><p>          at org.jbpm.task.service.local.LocalTaskService$SimpleEventTransport.trigger(LocalTaskService.java:329)</p><p>          at org.jbpm.task.event.MessagingTaskEventListener.triggerPayload(MessagingTaskEventListener.java:76)</p><p>          at org.jbpm.task.event.MessagingTaskEventListener.handleEvent(MessagingTaskEventListener.java:92)</p><p>          at org.jbpm.task.event.MessagingTaskEventListener.taskCompleted(MessagingTaskEventListener.java:109)</p><p>          at org.jbpm.task.event.TaskEventSupport.fireTaskCompleted(TaskEventSupport.java:49)</p><p>          at org.jbpm.task.service.TaskServiceSession.postTaskCompleteOperation(TaskServiceSession.java:569)</p><p>          at org.jbpm.task.service.TaskServiceSession.taskOperation(TaskServiceSession.java:495)</p><p>          at org.jbpm.task.service.local.LocalTaskService.complete(LocalTaskService.java:83)</p><p>          at org.jbpm.task.service.local.LocalTaskService.completeWithResults(LocalTaskService.java:91)</p><p>          at com.honeywell.hses.workflow.WorkFlowService.approveOrReject(WorkFlowService.java:121)</p><p>          at com.honeywell.hses.workflow.WorkFlowService$$FastClassByCGLIB$$aec4f2ca.invoke(<generated>)</p><p>          at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)</p><p>          at org.springframework.aop.framework.Cglib2AopProxy$CglibMethodInvocation.invokeJoinpoint(Cglib2AopProxy.java:689)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)</p><p>          at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)</p><p>          at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)</p><p>          at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:622)</p><p>          at com.honeywell.hses.workflow.WorkFlowService$$EnhancerByCGLIB$$ec946839.approveOrReject(<generated>)</p><p>          at com.honeywell.hses.workflow.WorkFlowProvider.approveOrRejectRequest(WorkFlowProvider.java:42)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)</p><p>          at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)</p><p>          at java.lang.reflect.Method.invoke(Unknown Source)</p><p>          at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)</p><p>          at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)</p><p>          at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)</p><p>          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)</p><p>          at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)</p><p>          at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)</p><p>          at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)</p><p>          at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)</p><p>          at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>          at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)</p><p>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)</p><p>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)</p><p>          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)</p><p>          at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter.doFilter(AbstractPreAuthenticatedProcessingFilter.java:88)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)</p><p>          at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)</p><p>          at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)</p><p>          at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)</p><p>          at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)</p><p>          at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p><p>          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)</p><p>          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)</p><p>          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)</p><p>          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)</p><p>          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)</p><p>          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)</p><p>          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)</p><p>          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)</p><p>          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)</p><p>          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)</p><p>          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)</p><p>          at java.lang.Thread.run(Unknown Source)</p><p>org.springframework.web.client.HttpServerErrorException: 500 Internal Server Error</p><p>          at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:92)</p><p>          at org.springframework.web.client.RestTemplate.handleResponseError(RestTemplate.java:494)</p><p>          at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:451)</p><p>          at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:409)</p><p>          at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:385)</p><p>          at com.honeywell.hses.controller.MetricController.getRestServiceResult(MetricController.java:363)</p><p>          at com.honeywell.hses.controller.MetricController.approveOrRejectRequest(MetricController.java:457)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p>          at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)</p><p>          at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)</p><p>          at java.lang.reflect.Method.invoke(Unknown Source)</p><p>          at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)</p><p>          at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:436)</p><p>          at org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:424)</p><p>          at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)</p><p>          at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)</p><p>          at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)</p><p>          at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)</p><p>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)</p><p>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)</p><p>          at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)</p><p>          at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)</p><p>          at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)</p><p>          at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)</p><p>          at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)</p><p>          at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)</p><p>          at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)</p><p>          at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)</p><p>          at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)</p><p>          at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)</p><p>          at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)</p><p>          at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)</p><p>          at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)</p><p>          at java.lang.Thread.run(Unknown Source)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks in advance.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Rajesh,</p></div>
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