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https://issues.apache.org/jira/browse/KYLIN-4039?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16894639#comment-16894639
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ASF subversion and git services commented on KYLIN-4039:
--------------------------------------------------------
Commit 1d56aeef9a20105859f29d28e7acc48d168356ff in kylin's branch
refs/heads/master from PENG Zhengshuai
[ https://gitbox.apache.org/repos/asf?p=kylin.git;h=1d56aee ]
KYLIN-4039, fix ZK distributed lock may not release lock when catchin… (#734)
* KYLIN-4039, fix ZK distributed lock may not release lock when catching
interrupt exception
* KYLIN-4039, fix it
> ZookeeperDistributedLock may not release lock when unlock operation was
> interrupted
> -----------------------------------------------------------------------------------
>
> Key: KYLIN-4039
> URL: https://issues.apache.org/jira/browse/KYLIN-4039
> Project: Kylin
> Issue Type: Bug
> Reporter: PENG Zhengshuai
> Assignee: PENG Zhengshuai
> Priority: Major
> Fix For: v3.0.0-alpha2
>
>
> ZookeeperDistributedLock may hold the lock and not release it when the unlock
> operation was interrupted.
> Because the unlock operation contains two steps:
> 1. peekLock: get the owner of the lock
> 2. purgeLock: purge the lock if the owner of the lock is the current client.
> If the peekLock step is interrupted, the purgeLock step won't be executed.
> Thus the lock won't be released.
> Meanwhile, the lock operation should also consider the interrupt cases.
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