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From Neil Edney <>
Subject Session value changes?
Date Wed, 28 Feb 2001 17:05:53 GMT

We have a JSP page with an HTML form. The form does a POST to a servlet and
if validation of the posted data fails, it uses RequestDispatcher to return
to the JSP page with a suitable error message (otherwise it goes to another

We have discovered that the session id is changing if the validation fails
and goes back to the JSP page - can anyone tell me why? We thought the
session id would remain constant until it either times-out or is explicitly


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