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https://issues.apache.org/jira/browse/HIVE-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13939478#comment-13939478
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Ashutosh Chauhan commented on HIVE-3969:
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Although, HIVE-6364 is marked as duplicate, I don't think it is a duplicate.
This one fixes the problem of unloading registered jars, whereas HIVE-6364
talks about setting correct class loader for HS2. So, it seems there are two
independent problem, both of which needs to be fixed.
[~navis] Although, you raised the bug for HS1, I think same exact problem is
also on HS2. But, I think fix is in same area, so it doesn't really matter. I
think we should use sun.misc.ClassLoaderUtil for now and than switch over to
jdk7 in near future for a clean solution. Would you like to rebase this patch?
> Session state for hive server should be cleaned-up
> --------------------------------------------------
>
> Key: HIVE-3969
> URL: https://issues.apache.org/jira/browse/HIVE-3969
> Project: Hive
> Issue Type: Bug
> Components: Server Infrastructure
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-3969.D8325.1.patch
>
>
> Currently "add jar" command by clients are adding child ClassLoader to worker
> thread cumulatively, causing various problems.
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