Session Timeout

[nischala]

Hi all,  I am working on Apache web server with a Jserv patch.The first servlet invoked establishes a session and puts some values(like user id etc.,.).These values are used in the following servlets.This works fine for the first request.But if I try to invoke the same servlet again,It says the value(which was available previously for the first request) is null and logs out. what could be the problem...? Can anyone help me out.....?