This is the kind of thing tomcat cant really do for you.... and it depends
very much on the sophistication needed.
One dirty trick, is to change the web.xml file slightly, when TC gets a
little quiet time it will reload the whole web app, ie when its able to shed
all classes.... dont really recommend it, but I have used it in the past.
More sophisticated method is to read up on
ClassLoader cl = new URLClassLoader(urls);
Class cls = cl.loadClass("classPath");
ie your program determines when it needs the new class, could do this by
checking the last modified time of the file attribute....
have fun
----- Original Message -----
From: "santa T" <[EMAIL PROTECTED]>
To: <users@tomcat.apache.org>
Sent: Tuesday, July 10, 2007 2:18 AM
Subject: How to replace jar which was already loaded?
Hi
I have a "worker.jar" in my webapp. User could upload a new "worker.jar"
replacing it. And I don't want to restart the tomcat.
How can I implement this?
Thanks.
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