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From Nic Holbrook <>
Subject Classloader question between tomcat 3.3 and 4.0.3
Date Tue, 11 Jun 2002 04:13:08 GMT
I am deploying several web applications  which access data through the 
proxy/facade pattern into EJB's.  Some of this data is shared across 
applications.  I have 1 jar file that is shared, and handles some in 
memory caching of data, etc.  In tomcat 3.3, I have this jar in the 
lib/apps directory, and I don't have to bundle it in any of the 
WEB-INF/lib directories.  For some reason, I always get ClassNotFound 
Exceptions doing the same thing in 4.0.3.  Tomcat 4.0.3 wants me to have 
the jar in every WEB-INF/lib directory.   I have tried dropping it in 
common/lib, lib, server/lib, everything.  Is there something I am not 
quite understanding here, or does tomcat 4.x.x load classes differently? 
 I really wanted to use 4.0.x because my AppResources now is combined 
and in the classpath because my 3.3 doesn't find anything in the 
WEB-INF/classes directories of my web-apps....


Nic Holbrook

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