[jboss-user] [JBoss Seam] - Re: Pageflow and @StartTask

MelampO do-not-reply at jboss.com
Tue Dec 19 08:19:41 EST 2006


Hello.

Thank you for the reply.

If I follow this way... how can I get the taskId for resumeTask method?

I have tried with:


  | <h:column>
  | 	<s:button action="recibido" value="Recibido" taskInstance="#{task}" />
  | </h:column>
  | 

and


  | @Stateless
  | @Name("avanzarEstadoPeticion")
  | public class AvanzarEstadoPeticionImpl implements AvanzarEstadoPeticion {
  | 	@In
  | 	private TaskInstance taskInstance;
  | 
  | 	/**
  | 	 * @see org.fundacionctic.actions.peticion.AvanzarEstadoPeticion#avanzar()
  | 	 */
  | 	public boolean avanzar() {
  | 		try {
  | 			BusinessProcess.instance().resumeTask(taskInstance.getId());
  | 			BusinessProcess.instance().startTask();
  | 			return true;
  | 		} catch (Exception e) {
  | 			return false;
  | 		}
  | 	}
  | 
  | }
  | 

but it has not work:


  | 14:13:43,833 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception
  | org.jbpm.graph.def.DelegationException
  |         at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:352)
  |         at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:346)
  |         at org.jbpm.graph.node.Decision.execute(Decision.java:131)
  |         at org.jbpm.graph.def.Node.enter(Node.java:316)
  |         at org.jbpm.graph.def.Transition.take(Transition.java:119)
  |         at org.jbpm.graph.def.Node.leave(Node.java:383)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:174)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:137)
  |         at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:229)
  |         at org.jboss.seam.pageflow.PageflowHelper.signal(PageflowHelper.java:47)
  |         at org.jboss.seam.core.Pageflow.navigate(Pageflow.java:214)
  |         at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:30)
  |         at org.jboss.seam.core.Pages.handleOutcome(Pages.java:319)
  |         at org.jboss.seam.core.Pages.callAction(Pages.java:360)
  |         at org.jboss.seam.jsf.AbstractSeamPhaseListener.callPageActions(AbstractSeamPhaseListener.java:200)
  |         at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:149)
  |         at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:50)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.informPhaseListenersBefore(LifecycleImpl.java:520)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:342)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
  |         at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
  |         at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
  |         at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
  |         at java.lang.Thread.run(Thread.java:595)
  | Caused by: org.jbpm.JbpmException: couldn't evaluate expression '#{avanzarEstadoPeticion.avanzar}'
  |         at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:38)
  |         at org.jbpm.graph.node.Decision.execute(Decision.java:108)
  |         ... 35 more
  | Caused by: javax.ejb.EJBException: org.jboss.seam.RequiredException: In attribute requires value for component: avanzarEstadoPeticion.taskInstance
  |         at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:69)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:181)
  |         at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:79)
  |         at $Proxy332.avanzar(Unknown Source)
  |         at org.fundacionctic.actions.peticion.AvanzarEstadoPeticion$$FastClassByCGLIB$$acb03afc.invoke(<generated>)
  |         at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
  |         at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45)
  |         at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:69)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:55)
  |         at org.jboss.seam.interceptors.ExceptionInterceptor.handleExceptions(ExceptionInterceptor.java:28)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
  |         at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  |         at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144)
  |         at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102)
  |         at org.jboss.seam.intercept.ClientSideInterceptor.interceptInvocation(ClientSideInterceptor.java:78)
  |         at org.jboss.seam.intercept.ClientSideInterceptor.intercept(ClientSideInterceptor.java:47)
  |         at org.jboss.seam.intercept.Proxy$$EnhancerByCGLIB$$55bbded2.avanzar(<generated>)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jbpm.jpdl.el.impl.BeanMethod.invoke(BeanMethod.java:19)
  |         at org.jbpm.jpdl.el.impl.ArraySuffix.evaluate(ArraySuffix.java:287)
  |         at org.jbpm.jpdl.el.impl.ComplexValue.evaluate(ComplexValue.java:146)
  |         at org.jbpm.jpdl.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:264)
  |         at org.jbpm.jpdl.el.impl.ExpressionEvaluatorImpl.evaluate(ExpressionEvaluatorImpl.java:191)
  |         at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:34)
  |         ... 36 more
  | Caused by: org.jboss.seam.RequiredException: In attribute requires value for component: avanzarEstadoPeticion.taskInstance
  |         at org.jboss.seam.Component.getInstanceToInject(Component.java:1828)
  |         at org.jboss.seam.Component.injectFields(Component.java:1317)
  |         at org.jboss.seam.Component.inject(Component.java:1087)
  |         at org.jboss.seam.interceptors.BijectionInterceptor.bijectTargetComponent(BijectionInterceptor.java:48)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
  |         at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  |         at org.jboss.seam.interceptors.OutcomeInterceptor.interceptOutcome(OutcomeInterceptor.java:23)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
  |         at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  |         at org.jboss.seam.interceptors.ConversationInterceptor.endOrBeginLongRunningConversation(ConversationInterceptor.java:55)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
  |         at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  |         at org.jboss.seam.interceptors.BusinessProcessInterceptor.manageBusinessProcessContext(BusinessProcessInterceptor.java:50)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
  |         at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:169)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:64)
  |         at org.jboss.seam.intercept.RootInterceptor.createSeamInvocationContext(RootInterceptor.java:144)
  |         at org.jboss.seam.intercept.RootInterceptor.invokeInContexts(RootInterceptor.java:129)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:102)
  |         at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:49)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  |         at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
  | 
  | 

I dont know how can I get taskId without injecting it from TaskInstace... am I loosing something?

Thanks.

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