[jboss-jira] [JBoss JIRA] Commented: (JBPORTAL-1094) ClassCastException when casting SubSession to List in PortalSessionSynchronizationInterceptor

[Poul Bildsoee Moeller (JIRA)]

    [ http://jira.jboss.com/jira/browse/JBPORTAL-1094?page=comments#action_12352614 ] 
            
Poul Bildsoee Moeller commented on JBPORTAL-1094:
-------------------------------------------------

I think it is allright to close this issue. The resolution description should really be "Not a bug" since the Exception was caused by some sort of cluster misconfigurarion on my side that I wasn't able to reproduce when I started all over using a clean portal/app-server bundle. The Interceptor design leading to the Exception can always be discussed but this is as you say a forums "thing".

> ClassCastException when casting SubSession to List in PortalSessionSynchronizationInterceptor
> ---------------------------------------------------------------------------------------------
>
>                 Key: JBPORTAL-1094
>                 URL: http://jira.jboss.com/jira/browse/JBPORTAL-1094
>             Project: JBoss Portal
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Portal Portlet
>    Affects Versions: 2.4 Final, 2.6.Alpha1
>         Environment: Portal Clustered using both Portal-ha-2.4.1CR1 and 2.4.0-ha running on JBoss AS 4.0.4
>            Reporter: Poul Bildsoee Moeller
>         Assigned To: Julien Viet
>            Priority: Minor
>
> In org.jboss.portal.portlet.aspects.portlet.PortalSessionSynchronizationInterceptor the following code is executed (code partially inserted):
> HttpSession session = req.getSession(false);
>          if (session != null)
>          {
>             ss = (SubSession)session.getAttribute(key);
>          }
>          //
>          try
>          {
>             // Set the sub session for the portlet synchronization
>             if (ss != null && ss.isActivated())
>             {
>                invocation.setAttribute("subsession", ss);
>             }
>             //
>             invocation.invokeNext();
>          }
>          finally
>          {
>             List modifications = (List)invocation.getAttribute("subsession");
> The code sets the SubSession as an attribute on invocation and then later tries to fetch this again and at the same time cast to List. This doesn't work since SubSession isn't a List. I am not sure what is meant to happen so I cannot really fix the problem myself.

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