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https://issues.apache.org/jira/browse/HBASE-19929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354605#comment-16354605
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stack commented on HBASE-19929:
-------------------------------
Is HBASE-19940 related (see end where we hung up waiting on sync to complete...
scenario is the test expires the RS znode... Master does SSH. Test checks a few
things. Then it tries to shutdown but is hung up)?
> Call RS.stop on a session expired RS may hang
> ---------------------------------------------
>
> Key: HBASE-19929
> URL: https://issues.apache.org/jira/browse/HBASE-19929
> Project: HBase
> Issue Type: Bug
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 2.0.0-beta-2
>
> Attachments: HBASE-19929-v1.patch, HBASE-19929.patch
>
>
> See the discussion in HBASE-19927. The problem is that, for a normal stop we
> will try to close all the regions and wait until they are all closed. But if
> the RS has already session expired, master will start the failover work which
> will move the WAL directory, and then we will be stuck in writing flush
> marker.
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