https://issues.apache.org/bugzilla/show_bug.cgi?id=46221
Summary: Leak WebappClassLoader with commons-logging and log4j
Product: Tomcat 5
Version: 5.5.27
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Unknown
AssignedTo: dev@tomcat.apache.org
ReportedBy: [EMAIL PROTECTED]
Tomcat is leaking a few references to the WebappClassLoader instance when the
application is stopped and contains commons-logging and log4j packages.
The attached zip file is a very simple test case. I use Yourkit Java Profiler
to find the remaining references.
The leak is due to loggers not released by the various containers that are
alive until all the webapp is completely unloaded which does happen in my case
(start,stop,start,stop...).
The attached patch applies against tomcat 5.5.27 and solves the problem. I am
not sure about the its righteousness, especially for the Valve stuff, but I
guess it is a good start.
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