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https://issues.apache.org/jira/browse/HIVE-4761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13689924#comment-13689924
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Hudson commented on HIVE-4761:
------------------------------
Integrated in Hive-trunk-h0.21 #2159 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2159/])
HIVE-4761 : ZooKeeperHiveLockManage.unlockPrimitive has race condition with
threads (Brock Noland via Ashutosh Chauhan) (Revision 1495055)
Result = FAILURE
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1495055
Files :
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/lockmgr/zookeeper/ZooKeeperHiveLockManager.java
*
/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/lockmgr/TestEmbeddedLockManager.java
* /hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/lockmgr/zookeeper
*
/hive/trunk/ql/src/test/org/apache/hadoop/hive/ql/lockmgr/zookeeper/TestZookeeperLockManager.java
> ZooKeeperHiveLockManage.unlockPrimitive has race condition with threads
> -----------------------------------------------------------------------
>
> Key: HIVE-4761
> URL: https://issues.apache.org/jira/browse/HIVE-4761
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 0.11.0
> Reporter: Brock Noland
> Assignee: Brock Noland
> Priority: Critical
> Fix For: 0.12.0
>
> Attachments: HIVE-4761.patch, HIVE-4761.patch
>
>
> In unlockPrimitive, we check to see if children exist and if not delete the
> parent node. If two threads do this at the same time it's possible for two
> threads to call Zookeeper.delete() on the same node.
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