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whilst fooling around with SessionId and cookies...  RSS feed

 
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I often use a little java program to (re)familiarize myself with header and session data. Whilst playing around I noticed that when I hit a page for the first time with

it retrieves and displays the session ID whereas the following methods return nulls the first time around

Only on refreshing or "hitting the page again" do they get "synchronized", of that's the right word.
(Q1) Are these the same thing: sessionId, JESSSIONID, cookies ? They display the same values.
(Q2) What is the method "request.getSession(true)" used for ? The arbitrarily assigned hex-value surely cannot identify the session uniquely ?
Here is the code, you need only modify the package, starting from your docbase.


One day, I too will be a java programmer, just not today!
 
Sheriff
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I'm moving this to Servlets.
 
It is sorta covered in the JavaRanch Style Guide.
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