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From Ronald Klop <>
Subject RE: mail.jar and activation.jar in Tomcat 4.1.29
Date Wed, 26 Nov 2003 16:12:57 GMT

I have made handlers for multipart/related, etc. for use in a web based mailclient. This gives
a lot of trouble with ClassLoaders.
Removing mail.jar and activation.jar from common/lib solves the problem.
And I'm 100% sure, that I've never had to do that before 4.1.29.
On Wed Nov 26 16:36:53 CET 2003 "Shapira, Yoav" <> wrote:

Tomcat can provide mail sessions to you via JNDI as illustrated

mail.jar and activation.jar are not new nor moved in 4.1.29, they were
in common/lib before. FYI, I also use mail 1.3.1 by putting it in
WEB-INF/lib (which overrides common/lib in the classloader hierarchy)
without a problem.

Yoav Shapira
Millennium ChemInformatics

>-----Original Message-----
>From: Ronald Klop []
>Sent: Wednesday, November 26, 2003 10:16 AM
>Subject: mail.jar and activation.jar in Tomcat 4.1.29
>Why is mail.jar and activation.jar added in Tomcat 4.1.29 in
>My webapp uses it's own mail.jar (1.3.1 in stead of 1.2) and
>and everything doesn't work anymore.
>I think this is a major 'API' change for a minor release.
>For what are these api's used by Tomcat? I can't think of anything that
>webserver does with mail.

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