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From "Carlin Rogers (JIRA)" <...@beehive.apache.org>
Subject [jira] Created: (BEEHIVE-1037) The PageFlowRequestProcessor.processMapping() is not handling a default "unknown" action defined in the GlobalApp
Date Tue, 10 Jan 2006 01:35:20 GMT
The PageFlowRequestProcessor.processMapping() is not handling a default "unknown" action defined
in the GlobalApp
-----------------------------------------------------------------------------------------------------------------

         Key: BEEHIVE-1037
         URL: http://issues.apache.org/jira/browse/BEEHIVE-1037
     Project: Beehive
        Type: Bug
  Components: NetUI  
    Versions: 1.1    
    Reporter: Carlin Rogers
 Assigned to: Carlin Rogers 
     Fix For: 1.1


It seems that with svn revision 351812 (for http://issues.apache.org/jira/browse/BEEHIVE-1017
) and svn revision 356056 (for http://issues.apache.org/jira/browse/BEEHIVE-1024 ), the behavior
of PageFlowRequestProcessor.processMapping() has changed.

The scenario that I'm investigating is for a portal that uses PageFlowUtils.strutsLookup().
- A (deprecated) Global.app is included in the NetUI web app.
- The Global.app has a struts merge with a struts module config file.
- The struts module config file includes an action that has the "unknown" attribute (a sort
of default action).
- The "unknown" action in the merged struts module config file is actually an action implemented
in the Global.app.

Then a portlet renders a page flow that has a page with a link to a bogus action. Prior to
the two revisions above, when the request is made to the bogus action, processMapping() calls
doForward() to the Global.app URI and returns a null map. Then, strutsLookup() checks that
a redirect did not occur and tries recursive strutsLookup() on the return URI (the global.app).
In this second pass to processMapping() we find the action that is defined by the "unknown"
attribute that is then called to handle the bogus action.

Now, with the revisions above, there are two things I've noticed.

1) First, when the initial page flow with the bogus action is rendered, the module config
of the Global.app is not added to the servlet context as it was in the past. With svn revision
351812, the FlowController.reinitialize() method (called during a create()) no longer calls
the initModuleConfig() method and in turn ensures that the Struts module for the given path
is registered as an attribute of the servlet context. When processMapping() gets the bogus
action, the check to see if a global app module config even exists fails. The call to InternalUtils.getModuleConfig()
for the GlobalApp module config will be null. We will fail and fall into a call to processUnresolvedAction().

2) Even if the Global.app module config was available from the context, I think there is still
a second issue. In svn revision 356056, processMapping() now checks that there is a module
config for the Global.app and checks that it has the desired action before falling into processUnresolvedAction().
However, we don't check to see if Global.app has a default "unknown" action to handle a bogus
action.

I will try to attach a MockPortal app to repro this. As pointed out to me, some sort of API
testing might be a better bet to catch something like this. Something to do for next rev of
NetUI.

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