[jboss-user] [JBoss Seam] - conversation and back buttons

goose-dog do-not-reply at jboss.com
Tue Jul 11 16:56:43 EDT 2006


When i have a conversation that already started(by invoking method annotated with @begin, and 

1.) I press back button and 
2.) click on a submit button, it brings me back to the page where the current state should be,  this it shows a message "Illegal navigation"   this is fine, it's the page where the user should be.
3.) i click any button

However, now it bombs out.  I must be doing something wrong as the tutorial had stated that free navigation is supported and handled.

Here is the exception:

  | javax.servlet.ServletException: No active conversation context
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:121)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:45)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         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)
  | 13:51:16,153 ERROR [[Faces Servlet]] Servlet.service() for servlet Faces Servlet threw exception
  | java.lang.IllegalStateException: No active conversation context
  |         at org.jboss.seam.core.Process.instance(Process.java:32)
  |         at org.jboss.seam.core.TaskInstance.instance(TaskInstance.java:51)
  |         at org.jboss.seam.contexts.BusinessProcessContext.getTaskInstance(BusinessProcessContext.java:213)
  |         at org.jboss.seam.contexts.BusinessProcessContext.get(BusinessProcessContext.java:51)
  |         at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:155)
  |         at org.jboss.seam.Component.getInstance(Component.java:1245)
  |         at org.jboss.seam.Component.getInstance(Component.java:1230)
  |         at org.jboss.seam.contexts.Lifecycle.resumeConversation(Lifecycle.java:328)
  |         at org.jboss.seam.jsf.AbstractSeamPhaseListener.restoreAnyConversationContext(AbstractSeamPhaseListener.java:42)
  |         at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:63)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.informPhaseListenersAfter(LifecycleImpl.java:536)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.restoreView(LifecycleImpl.java:164)
  |         at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:66)
  |         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:106)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:30)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:45)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
  |         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)
  | 
  | 

here is my session bean, where "@Conversational(ifNotBegunOutcome = "registerUserPage")
" is supposed to bring the user to the appropriate jsp specified by the nav rule "registerUserPage.:

  | 
  | @Stateful
  | @Name("registerUserAction")
  | @Scope(ScopeType.CONVERSATION)
  | @Conversational(ifNotBegunOutcome = "registerUserPage")
  | 
  | public class RegisterUserAction implements Register {
  | 
  | 	private Users user;
  | 
  | 	private String password;
  | 
  | 	@PersistenceContext
  | 	private EntityManager em;
  | 
  | 	@Logger
  | 	private Log log;
  | 
  | 	@Begin(join=true, pageflow = "registerUserPageFlow")
  | 	public void begin() {
  | 		if(user==null){
  | 			log.info("Start");
  | 			user=new Users();
  | 		}
  | 	}
  |   ...........
  | }
  | 

my jpdl:

  | <?xml version="1.0"?>
  | 
  | <pageflow-definition name="registerUserPageFlow">
  |     <start-state name="start">
  |         <transition to="emailForm"/>
  |     </start-state>
  |         
  |    <page name="emailForm" view-id="/register.xhtml">
  |       <redirect/>
  |       <transition name="register" to="validateInfo"/>
  |    </page> 
  |    
  |    <decision name="validateInfo" expression="#{registerUserAction.validForm}">
  |       <transition name="false" to="emailForm"></transition>
  |       <transition name="true" to="passwordForm"></transition>
  |    </decision>
  |    <page name="passwordForm" view-id="/passwordForm.xhtml">
  |    	  <redirect/>
  |       <transition name="submit" to="validatePassword"></transition>
  |       <transition name="cancel" to="emailForm">
  |       	<action expression="#{registerUserAction.restart}"/>
  |       </transition>
  |    </page>
  |    <decision name="validatePassword" expression="#{registerUserAction.validPassword}">
  |       <transition name="false" to="passwordForm"></transition>
  |       <transition name="true" to="success"></transition>
  |    </decision>
  |    <page name="success" view-id="/success.xhtml">
  |       <redirect/>
  |    	  <end-conversation/>
  |    </page>
  |    
  | </pageflow-definition>
  | 

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