[jira] [Commented] (HBASE-19838) Can not shutdown backup master cleanly when it has already tried to become the active master

["Duo Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-19838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16333943#comment-16333943 ] 

Duo Zhang commented on HBASE-19838:
-----------------------------------

[~stack] FYI. This UT fails stably for me.

Use a mocked HMaster implementation to hold in initClusterSchemaService and then we kill all the RSes and then let it go on. The UT will hang in HBaseTestingUtility.shutdownMiniCluster.

> Can not shutdown backup master cleanly when it has already tried to become the active master
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-19838
>                 URL: https://issues.apache.org/jira/browse/HBASE-19838
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>            Reporter: Duo Zhang
>            Priority: Critical
>             Fix For: 2.0.0-beta-2
>
>         Attachments: HBASE-19838-UT.patch
>
>
> This is the root cause that why TestZooKeeper hangs.
> Open a new issue to introduce a UT which can reproduce the problem stably so that we can fix the TestZooKeeper since it is not designed to test this problem.



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