[jboss-user] [JBoss Seam] - pageflow and exception problem

leezard do-not-reply at jboss.com
Tue Jun 26 04:47:43 EDT 2007


Hi again,

I've quite simple pageflow:

  | <pageflow-definition 
  | 	xmlns="http://jboss.com/products/seam/pageflow"
  | 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  |     xsi:schemaLocation="http://jboss.com/products/seam/pageflow http://jboss.com/products/seam/pageflow-1.2.xsd"
  | 	name="transactionRevoke">
  |    
  |    <start-page name="startRevoke" view-id="/setRevokeDetails.jspx">
  |       <redirect/>
  |       <transition name="cancel" to="revokeCancelled"/>
  |       <transition name="process" to="checkRevokeResult">
  |       		<action expression="#{processTransactionRevoke.revokeTransaction}"/>
  |       </transition>
  |    </start-page>
  |    
  |    <decision name="checkRevokeResult" expression="#{processTransactionRevoke.revokeSuccesful}">
  |       <transition name="true" to="revokeResult"/>
  |       <transition name="false" to="forceRevoke"/>
  |    </decision>
  |    
  |    <page name="forceRevoke" view-id="/forceRevoke.jspx">
  |       <redirect/>
  | 		<transition name="process" to="checkRevokeResult">
  |       		<action expression="#{processTransactionRevoke.revokeTransaction}"/>
  | 		</transition>
  |       	<transition name="cancel" to="revokeCancelled"/>
  |    </page>
  |    
  |    <page name="revokeResult" view-id="/revokeResult.jspx">
  |       <redirect/>
  |       <end-conversation/>
  |    </page>
  | 
  |    <page name="revokeCancelled" view-id="/revokeCancelled.jspx">
  |       <redirect/>
  |       <end-conversation/>
  |    </page>
  |    
  | </pageflow-definition>
  | 

and I have exception declaration in pages.xml

  | 	<exception>
  | 		<end-conversation/>
  | 		<redirect view-id="/generalError.jspx">
  | 			<message>#{messages['error.tr.failed']}</message>
  | 		</redirect>
  | 	</exception>
  | 

Now when I got RuntimeException during processTransactionRevoke.revokeTransaction() method I get veeeery long stacktrace and browser error saying 

The page isn't redirecting properly

Here is my stacktrace:

  | 10:28:11,587 ERROR [ExceptionFilter] uncaught exception
  | javax.servlet.ServletException
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:256)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:619)
  | Caused by: 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.def.GraphElement.executeAction(GraphElement.java:249)
  |         at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  |         at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  |         at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  |         at org.jbpm.graph.def.Transition.take(Transition.java:106)
  |         at org.jbpm.graph.def.Node.leave(Node.java:383)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:178)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:141)
  |         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:298)
  |         at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:30)
  |         at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:119)
  |         at javax.faces.component.UICommand.broadcast(UICommand.java:383)
  |         at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
  |         at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
  |         at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  |         ... 30 more
  | Caused by: org.jbpm.JbpmException: couldn't evaluate expression '#{processTransactionRevoke.revokeTransaction}'
  |         at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:38)
  |         at org.jbpm.graph.def.Action.execute(Action.java:119)
  |         at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  |         ... 49 more
  | Caused by: javax.ejb.EJBTransactionRolledbackException
  |         at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx(Ejb3TxPolicy.java:87)
  |         at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:130)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  |         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:77)
  |         at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         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.dynamicInvoke(StatelessContainer.java:278)
  |         at org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:79)
  |         at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:70)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.stateless.StatelessRemoteProxy.invoke(StatelessRemoteProxy.java:103)
  |         at $Proxy352.revokeTransaction(Unknown Source)
  |         at com.nsn.erefill.tr.gui.beans.ProcessTransactionRevokeBean.revokeTransaction(ProcessTransactionRevokeBean.java:65)
  |         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:597)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:37)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57)
  |         at org.jboss.seam.interceptors.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:47)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.interceptors.ManagedEntityIdentityInterceptor.aroundInvoke(ManagedEntityIdentityInterceptor.java:37)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.interceptors.ConversationInterceptor.aroundInvoke(ConversationInterceptor.java:63)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.interceptors.BusinessProcessInterceptor.aroundInvoke(BusinessProcessInterceptor.java:51)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103)
  |         at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:53)
  |         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:597)
  |         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.ExtendedPersistenceContextPropagationInterceptor.invoke(ExtendedPersistenceContextPropagationInterceptor.jav
  |         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)
  |         at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  |         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.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:83)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  |         at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  |         at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  |         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.stateful.StatefulContainer.localInvoke(StatefulContainer.java:204)
  |         at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:100)
  |         at $Proxy353.revokeTransaction(Unknown Source)
  |         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:597)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:20)
  |         at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  |         at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57)
  |         at org.jboss.seam.interceptors.RemoveInterceptor.aroundInvoke(RemoveInterceptor.java:40)
  |         at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  |         at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103)
  |         at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50)
  |         at org.javassist.tmp.java.lang.Object_$$_javassist_20.revokeTransaction(Object_$$_javassist_20.java)
  |         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:597)
  |         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)
  |         ... 51 more
  | Caused by: java.lang.NullPointerException
  |         at org.jboss.seam.intercept.JavaBeanInterceptor.markDirty(JavaBeanInterceptor.java:94)
  |         at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:79)
  |         at com.nsn.erefill.tr.TransactionRevokeRequest_$$_javassist_6.getParentTransaction(TransactionRevokeRequest_$$_javassist_6.java)
  |         at com.nsn.erefill.tr.bean.TransactionRevokeServiceBean.revokeTransaction(TransactionRevokeServiceBean.java:67)
  |         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:597)
  |         at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  |         at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  |         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.invokeInCallerTx(TxPolicy.java:126)
  |         ... 144 more
  | 10:28:11,665 ERROR [ExceptionFilter] exception root cause
  | 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.def.GraphElement.executeAction(GraphElement.java:249)
  |         at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  |         at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  |         at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  |         at org.jbpm.graph.def.Transition.take(Transition.java:106)
  |         at org.jbpm.graph.def.Node.leave(Node.java:383)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:178)
  |         at org.jbpm.graph.exe.Token.signal(Token.java:141)
  |         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:298)
  |         at org.jboss.seam.jsf.SeamNavigationHandler.handleNavigation(SeamNavigationHandler.java:30)
  |         at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:119)
  |         at javax.faces.component.UICommand.broadcast(UICommand.java:383)
  |         at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:447)
  |         at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:752)
  |         at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
  |         at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  |         at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:63)
  |         at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:57)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:60)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:79)
  |         at org.jboss.seam.web.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:49)
  |         at org.jboss.seam.web.SeamFilter.doFilter(SeamFilter.java:84)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  |         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  |         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  |         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  |         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  |         at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  |         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  |         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  |         at java.lang.Thread.run(Thread.java:619)
  | Caused by: org.jbpm.JbpmException: couldn't evaluate expression '#{processTransactionRevoke.revokeTransaction}'
  |         at org.jbpm.jpdl.el.impl.JbpmExpressionEvaluator.evaluate(JbpmExpressionEvaluator.java:38)
  |         at org.jbpm.graph.def.Action.execute(Action.java:119)
  |         at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 


What's wrong?

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