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https://issues.apache.org/jira/browse/VFS-480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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BELUGA BEHR updated VFS-480:
----------------------------
Attachment: AtomicRefThreadTest.java
> [VFS] SoftRefFilesCache Doesn't Ever Clear Cache
> ------------------------------------------------
>
> Key: VFS-480
> URL: https://issues.apache.org/jira/browse/VFS-480
> Project: Commons VFS
> Issue Type: Bug
> Affects Versions: 2.0
> Reporter: BELUGA BEHR
> Priority: Critical
> Attachments: AtomicRefThreadTest.java
>
>
> The SoftRefFilesCache doesn't ever clear its cache. I found this out when I
> notice my JVM was sucking up hundreds of megs as it load, processed, and
> unloaded, thousands of files.
> I have attached an example program that demonstrates the problem with
> SoftRefFilesCache.java#startThread(). The thread is never actually launched.
> I have only tried it on Java 1.7. Basically, I am trying to demonstrate
> that calling AtomicReference#compareAndSet never returns true when "expected"
> is a null value. So what happens is that the call returns false, the loop is
> re-entered, newThread gets blown away, the thread is found, and the loop
> exits, so the thread is never launched. I'm using VFS in a singleton
> fashion. Well, I was using it before this issue.
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