What happens if I put different jar versions of same classes on WEB-INF/lib?
Example:
project.jar (new version)
project_old.jar (old version)
Tomcat load and use both? Could Tomcat be confused with this situation?
Thanks a lot
From: Andrew Hole [mailto:[EMAIL PROTECTED]
What happens if I put different jar versions of same classes
on WEB-INF/lib?
Example:
project.jar (new version)
project_old.jar (old version)
Tomcat load and use both? Could Tomcat be confused with this
situation?
Each time a class is
It uses the first version of the class it finds when findClass is
called. First version depends on which jar it looks in first. There is
no defined order in which jars should be read first. So the behavior of
Tomcat would be like any other java application - unknown.
-Tim
Andrew Hole wrote:
The question is better
what happen if you have 2 classes with same name and package in the
same classloader?
Knowing which of both classes will be indeed loaded and used when need
is undetermined. Only one of those classes will be used, but it there is
no rule as to which will be used. This is
From: Andrew Hole [mailto:[EMAIL PROTECTED]
Subject: Different jar version
What happens if I put different jar versions of same classes
on WEB-INF/lib?
Really Bad Things.
Could Tomcat be confused with this situation?
Yes, as is the person who did such a thing.
Depending on the order
I'm getting OutofMemoryError ... Could have some relationship having
two different versions of jar and memory leak?
Thanks
On 10/10/07, Caldarale, Charles R [EMAIL PROTECTED] wrote:
From: Andrew Hole [mailto:[EMAIL PROTECTED]
Subject: Different jar version
What happens if I put different
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Andrew,
Andrew Hole wrote:
I'm getting OutofMemoryError ... Could have some relationship having
two different versions of jar and memory leak?
It's very unlikely. As other posters have said, either one class gets
loaded or the other one does, not
From: Andrew Hole [mailto:[EMAIL PROTECTED]
Subject: Re: Different jar version
I'm getting OutofMemoryError ... Could have some relationship having
two different versions of jar and memory leak?
Not likely, but it really depends on how your classes interact.
Instead of indulging in rather
