All, I have couple of questions while designing a web app using struts. My application uses Httpsession variables. 1. How do we handle a user from opening duplicate sessions ? Like if a user is already logged in, if he/she tries to login again, system should mention that user is already logegd in. How do we do that ? 2. Also, back buttons. Back buttons shoudlnt display anything [like no data] should appear when user clicks back button How to handle these two situations ? Need suggestions. Thanks, Maya
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