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From "Finn Bock (JIRA)" <j...@apache.org>
Subject [jira] Created: (CLK-706) undeploy in tomcat prints warnings of thread local ContextStack
Date Tue, 29 Jun 2010 13:55:49 GMT
undeploy in tomcat prints warnings of thread local ContextStack
---------------------------------------------------------------

                 Key: CLK-706
                 URL: https://issues.apache.org/jira/browse/CLK-706
             Project: Click
          Issue Type: Bug
          Components: core
    Affects Versions: 2.2.0
         Environment: Tomcat 6.0.26
            Reporter: Finn Bock
            Assignee: Finn Bock
            Priority: Minor


With tomcat 6.0.26 on windows, starting the examples app, browse a page and press crtl-C in
the tomcat window causes tomcat to complain about a possible memory leak:

SEVERE: A web application created a ThreadLocal with key of type [java.lang.ThreadLocal] (value
[java.lang.ThreadLocal@bf015]) and a value of type [org.apache.click.Context.ContextStack]
(value [[]]) but failed to remove it when the web application was stopped. To prevent a memory
leak, the ThreadLocal has been forcibly removed.

It is caused by Context.hasThreadLocalContext() which creates an empty ContextStack if none
existed before. Which is called by PerformanceFilter's attempt to find the application version
number.

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