DO NOT REPLY [Bug 24508] New: - Webapp class loader issue

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=24508

Webapp class loader issue

           Summary: Webapp class loader issue
           Product: Tomcat 4
           Version: 4.1.27
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: william.lee@cognos.com


The webapp class loading mechanism had been changed from 4.0.x to 4.1.x. In 
4.1.x all xerces and xalan classes will be skipped from the webapps directory 
(See WebappClassLoader.java).

The problem is that tomcat now forcing every webapps in the same tomcat to use 
the same version of xerces and xalan without any choice.

The engineer from Sun pointed out that servlet container should follows the 
recommendation defined in the 2.3 specification, and the "endorsed mechansim" 
used in JDK 1.4 has nothing to force the webapps to use the "endorsed" 
directory. However, after a long discussion in the tomcat developer forum 
still getting inconclusive.

Seems to me that a simple "configuration" property will solve all the issues. 
Tomcat/webapps should able to be configured to either use the "endorsed" 
files, or use the ones from its own "webapps"?

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