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From: "Caldarale, Charles R" <Chuck.Caldarale@unisys.com>
To: Tomcat Users List <users@tomcat.apache.org>
Date: Thu, 2 Apr 2009 21:55:53 -0500
Subject: RE: And even further into the black magic of logging configuration
 	within tomcat...
Thread-Topic: And even further into the black magic of logging configuration
 	within tomcat...
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> From: Dan Armbrust [mailto:daniel.armbrust.list@gmail.com]
> Subject: And even further into the black magic of logging configuration
> within tomcat...
>=20
> So, why didn't log4j try to find the log4j.properties=20
> file for the second webapp?

Verify that you have separate log4j.properties files in the WEB-INF/classes=
 directories of each webapp, and that there's not a permissions problem wit=
h them being accessed by whatever userid Tomcat is running under.

> There is definitely a bug here, but I don't know if the=20
> bug is in Tomcat or in Log4j.

Where is your log4j.jar located?  You should have separate ones in each web=
app's WEB-INF/lib directory; if you place log4j.jar in Tomcat's lib directo=
ry - or anywhere the common, system, or bootstrap class loaders could find =
it - you may well end up with the symptoms you're observing.  You could try=
 -verbose:class to see where classes are being loaded from, if you want to =
wade through a whole lot of output.

 - Chuck


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