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Sessions in JSP/Servlets

Lucky Narayan
Greenhorn

Joined: Mar 29, 2002
Posts: 4
I am a newbie, so treat me gently :-)
My question is in JSP, you have the session concept. But how does this work in real world? Meaning, many of the production env. will have multiple machines (or JVMs) to load balance, correct? The session concept works only when they are all in one single JVM, correct? So, is it that sessions will work ONLY if I know for sure that one machine or one JVM will be used in production environment? Any help/suggestions appreciated!
Anthony Villanueva
Ranch Hand

Joined: Mar 22, 2002
Posts: 1055
Hi,
You can try persisting your session data into a common database (which you have to eventually do, anyway ). You might find this javaWorld article interesting.
-anthony
George Carlson
Greenhorn

Joined: Aug 24, 2000
Posts: 15
Hello. I'm a servlet and jsp programmer for Novell where we have a server cluster. I know with us that once a user gets a handle on a server, that ip address will keep the handle on the same server until the server is restarted so this is not a problem
 
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subject: Sessions in JSP/Servlets