Chaoyu Tang created HIVE-6082:
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Summary: 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
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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