log out problem! pls help me

[binuandrews]

hellow all, i am a beginner in jboss.
in my application suppose the session is expired after the sesion time out.. if i clicked any opened windows after that i am getting null pointer exception insted of returning to the login page.. pls help me

[binuandrews]

poori makkale. enna konakkana avide erikkunnathu... ninakkokke oru reply cheyyan atra madi aanalle ... kunnakale.... kanda sayippinokke ninakku marupadi ezhuthanm... indiakkaranayathu kondayirikkum pujnam

[darranl]

i am getting null pointer exception - Post the full stack trace.