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https://issues.apache.org/jira/browse/JCR-1216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Mueller updated JCR-1216:
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Attachment: userSessionPatch.txt
This patch adds a UserSessionImpl (user facing session) that acts as a
proxy/wrapper for a SessionImpl. The patch is just for reference. I don't plan
to commit it, because there are some problems. For example if a session is not
referenced any longer, but one of its nodes is, then the session can still get
garbage (but should not).
I will try the original idea: Instead of referencing SessionImpl directly, use
WeakReference objects.
> Unreferenced sessions should get garbage collected
> --------------------------------------------------
>
> Key: JCR-1216
> URL: https://issues.apache.org/jira/browse/JCR-1216
> Project: Jackrabbit
> Issue Type: Improvement
> Components: jackrabbit-core
> Reporter: Thomas Mueller
> Attachments: userSessionPatch.txt
>
>
> If an application opens many sessions and doesn't close them, they are never
> garbage collected. After some time, the virtual machine will run out of
> memory. This code will run out of memory after a few thousand logins:
> Repository rep = new TransientRepository();
> for (int i = 0; ; i++) {
> rep.login(new SimpleCredentials("", new char[0]));
> }
> Using a finalizer to close SessionImpl doesn't work, because it seems there
> are references from the (hard referenced part of the cache) to the
> SessionImpl objects. Maybe it is possible to remove those references, or
> change them to weak references.
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