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https://issues.apache.org/jira/browse/CXF-6749?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15105782#comment-15105782
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Diogo Sant'Ana commented on CXF-6749:
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Thank you, Daniel for the quick response.
I knew this problem didn't have a "clean" solution, that's why I didn't suggest
one, but yours is quite good.
> Classloader leak on FileUtils.createTmpDir()
> --------------------------------------------
>
> Key: CXF-6749
> URL: https://issues.apache.org/jira/browse/CXF-6749
> Project: CXF
> Issue Type: Bug
> Affects Versions: 2.7.14
> Environment: Slackware Linux 14.1 (kernel 3.10.17), Java 1.7.0_75,
> Tomcat 7.0.39 (this is my production environment)
> Reporter: Diogo Sant'Ana
> Assignee: Daniel Kulp
> Labels: classloader-leak
> Fix For: 3.1.5, 3.0.8
>
>
> FileUtils.createTmpDir() adds a ApplicationShutdownHook to remove the
> recently created temp folder, creating a indirect reference to the Tomcat
> WebappClassloader from the hook static attribute at ApplicationShutdownHooks
> class, preventing the classloader to be collected.
> Actually, it will be collected when the JVM is turned off. But this is a web
> application container, it won't be turn off for a while.
> I only checked this with the version I´m currently using (2.7.14), but I
> checked the code at 3.1.x and master branches and it still the same.
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