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https://issues.apache.org/jira/browse/HIVE-6082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13856348#comment-13856348
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Chaoyu Tang commented on HIVE-6082:
-----------------------------------
Could some one commits this patch if it is a proper fix? Thanks.
> Certain KeeperException should be ignored in
> ZooKeeperHiveLockManage.unlockPrimitive
> ------------------------------------------------------------------------------------
>
> Key: HIVE-6082
> URL: https://issues.apache.org/jira/browse/HIVE-6082
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.12.0
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Attachments: HIVE-6082.patch, Hive-6082.patch
>
>
> KeeperException.NoNodeException and NotEmptyException should be ignored when
> deleting a zLock or its parent in ZooKeeperHiveLockManager unlockPrimitive.
> The exceptions can happen:
> 1) ZooKeeperHiveLockManager retries deleting a zLock after a failure but it
> has been deleted.
> 2) a race condition where another process adds a zLock just before it is
> about to be deleted.
> Otherwise, unlock may unnecessarily be retried for numRetriesForUnLock times.
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