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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2014/09/10 01:00:33 UTC

[jira] [Commented] (HBASE-11923) Potential race condition in RecoverableZookeeper.checkZk()

    [ https://issues.apache.org/jira/browse/HBASE-11923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127734#comment-14127734 ] 

Ted Yu commented on HBASE-11923:
--------------------------------

+1

> Potential race condition in RecoverableZookeeper.checkZk()
> ----------------------------------------------------------
>
>                 Key: HBASE-11923
>                 URL: https://issues.apache.org/jira/browse/HBASE-11923
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>             Fix For: 0.99.0, 2.0.0, 0.98.7, 0.94.24
>
>         Attachments: 11923-trunk.txt
>
>
> [~apurtell] pointed out a potential race condition in RecoverableZookeeper.checkZk() that I introduced in parent.
> If multiple threads would enter that method at the same time without a valid Zookeeper reference, we could leak Zookeeper objects.
> Since this is not a on a hot code path we should just synchronize the two involved methods.



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