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http://issues.apache.org/bugzilla/show_bug.cgi?id=38048

           Summary: Classloader leak caused by EL evaluation
           Product: Tomcat 5
           Version: 5.5.9
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: major
          Priority: P2
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: [EMAIL PROTECTED]


The evaluation of JSP 2.0 EL (expression language) in JSP pages can cause 
BeanInfo metadata of the referenced objects to be cached.

This happens in the class [org.apache.commons.el.BeanInfoManager].

Since the commons-el.jar where this class resides is loaded by the "Common" 
ClassLoader, this causes a reference leak to the Webapp classloader when the 
BeanInfo refences an object from the Webapp classloader.

On webapp shutdown, the container should clear the BeanInfoManager cache, or 
delete all entries pointing to code loaded from the webapp.

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