Shale Dialog uncovered usescases -> probable memory leak due to them
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                 Key: SHALE-453
                 URL: https://issues.apache.org/struts/browse/SHALE-453
             Project: Shale
          Issue Type: Improvement
          Components: Dialog
         Environment: All Versions
            Reporter: Werner Punz


After digging through the codebase, I could not find any timeout code for shale 
dialog, after a discussion on the mainlinglist
it does not seem to be there, dialogs if not properly terminated stay there 
until the session times out.

Following usecase:
User is in the middle of a dialog and alters the url manually, the dialog stays 
in ram until the session times out.

Following solutions szenarios could work:
a) Be able to set wildcards to cover all non dialog urls so that the dialog is 
terminated properly

b) Give it a timeout garbage collecting thread probably with a possible ajax 
callback to keep the page refreshed, in multi window or long running window 
szenarios.



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