You can keep a class level variable. Increment that when the user joins in
the session and decrement that when the session times out or when you
invalidate the session.


>From: Khalid Umar <khalid.umar@(protected)>
>Reply-To: "A mailing list for discussion about Sun Microsystem's Java
>      Servlet API Technology." <SERVLET-INTEREST@(protected)>
>To: SERVLET-INTEREST@(protected)
>Subject: Concurrent Users
>Date: Wed, 16 Jun 2004 16:45:52 +0530
>
>Is there a way to find out the number of concurrent users logged into a
>web application?
>
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