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Call businessProcess.startTask() first

Question asked by zegrar on Jan 24, 2016
bonjour ,
when i complete my user task the error show ,can yous any solution ???

Avertissement: #{businessProcess.completeTask(true)}: org.activiti.cdi.ActivitiCdiException: No task associated. Call businessProcess.startTask() first.
javax.faces.FacesException: #{businessProcess.completeTask(true)}: org.activiti.cdi.ActivitiCdiException: No task associated. Call businessProcess.startTask() first.
   at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
   at javax.faces.component.UICommand.broadcast(UICommand.java:315)
   at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
   at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
   at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
   at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
   at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
   at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
   at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
   at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
   at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
   at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
   at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
   at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
   at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
   at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
   at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
   at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
   at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
   at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
   at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
   at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
   at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
   at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
   at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
   at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
   at java.lang.Thread.run(Thread.java:745)
Caused by: javax.faces.el.EvaluationException: org.activiti.cdi.ActivitiCdiException: No task associated. Call businessProcess.startTask() first.
   at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
   at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
   … 31 more
Caused by: org.activiti.cdi.ActivitiCdiException: No task associated. Call businessProcess.startTask() first.
   at org.activiti.cdi.BusinessProcess.assertTaskAssociated(BusinessProcess.java:540)
   at org.activiti.cdi.BusinessProcess.completeTask(BusinessProcess.java:373)
   at org.activiti.cdi.BusinessProcess.completeTask(BusinessProcess.java:385)
   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:606)
   at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:779)
   at javax.el.BeanELResolver.invoke(BeanELResolver.java:528)
   at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:257)
   at com.sun.el.parser.AstValue.invoke(AstValue.java:248)
   at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:302)
   at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:39)
   at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)
   at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
   at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
   … 32 more

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