> From: ddigmann [mailto:[EMAIL PROTECTED] 
> Subject: Re: Tomcat Persistent Session Issues
> 
> This class is in WEB-INF/classes.  I am pretty sure it
> has to be loaded by the classloader because it is a super
> class some major classes in the app. 
> 
> It is my understanding that there are multiple classloaders 
> though, and one could be loading this class and another
> could be running the app.

There is one classloader per app, so everything under the same WEB-INF
should be handled by the same classloader.  You should verify that you
have no duplicate classes in any branch of the classloader tree:

      Bootstrap
          |
       System
          |
       Common
      /      \
 Catalina   Shared
             /   \
        Webapp1  Webapp2 ... 

Look here for more details:
http://tomcat.apache.org/tomcat-5.0-doc/class-loader-howto.html

 - Chuck


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