https://issues.apache.org/bugzilla/show_bug.cgi?id=50175

           Summary: Enhance memory leak detection by selectively applying
                    methods,
           Product: Tomcat 7
           Version: trunk
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: bugzi...@pidster.com


Memory leak detection on application unload can be enhanced by selectively
applying the various methods, depending on whether Tomcat is shutting down or
undeploying/reloading an application.

Many of the memory leak detection methods can be ignored if a JVM is shutting
down.

Non-daemon threads may pose an issue for a system, if they cause the Tomcat
process to stay alive and continue to consume memory and/or system resources,
so continuing to detect and report these is probably worthwhile.

This could be accomplished by setting a System property during the first phase
of the shutdown process and checking for this property during the application
undeployment process.

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