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http://jira.qos.ch/browse/LBCORE-78?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10955#action_10955
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Szel Zoltan commented on LBCORE-78:
-----------------------------------
Just a bit correction
>In web env this bug causes the leak of the application's classloader.
This is not true, the thread will leak the boot classloader only.
Regards,
Zoltan Szel
> Compression with TimeBasedRollingPolicy leaks a thread which blocks the
> application to shutdown + leads to severe memory leak in webapps
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LBCORE-78
> URL: http://jira.qos.ch/browse/LBCORE-78
> Project: logback-core
> Issue Type: Bug
> Components: Rolling
> Affects Versions: 0.9.13
> Environment: 1.5,1.6 JDK
> Reporter: Szel Zoltan
> Assignee: Logback dev list
> Priority: Blocker
>
> Hi,
> the TimeBasedRollingPolicy uses the AsynchronousCompressor class to perform
> the compression in a background thread. In the AsyncCompressor every compress
> creates a ThreadPool with one thread which is never stopped. After
> compression the thread will wait on a queue to be fed with new task which
> will never happen again and there is now chance to stop the thread manually,
> because the reference to the ExecutorService is lost.
> Because the thread is not stoped and it is not a deamon thread, the JVM can
> not shutdown. In web env this bug causes the leak of the application's
> classloader.
> A simple solution is to create a simple thread to perform the compression
> instead of using an ExecutorService.
> Regards,
> Zoltan Szel
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