Global AsyncCallback handling

I am trying to handle all the OnFailure case of all the asyncCallback classes in my application. Basically, if the backend throws some specific error- like "SessionInvalid". I want the user to be showed the Login screen. The approach I followed was "http://stackoverflow.com/questions/3657572/how-to-redirect-to-login-page-after-session-expire-in-gwt-rpc-call". In my custom callback, I check the error and call revealDefaultPlace (which is my login page). 

The trick mentioned on stackoverflow seems to work, but in my app, get the error: "Encountered repeated errors resulting in an infinite loop. Make sure all users have access to the pages revealed by revealErrorPlace and revealUnauthorizedPlace. (Note that the default implementations call revealDefaultPlace); Encountered repeated errors resulting in an infinite loop. Make sure all users have access to the pages revealed by revealErrorPlace and revealUnauthorizedPlace. (Note that the default implementations call revealDefaultPlace)"

Thanks,

Tushar

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