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https://issues.apache.org/jira/browse/HBASE-24052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17068408#comment-17068408
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Bharath Vissapragada commented on HBASE-24052:
----------------------------------------------

[~stack] It appears to me (based on the ClosedChannel exceptions from the 
latest run) that the rpc server is shutting down even before the shutdown() rpc 
call is responded to by the server. Am I reading it right? Was that your 
conclusion too? Curious how you simplified the test. I see the underlying 
problem to be a synchronous (or I'd say almost-synchronous) shutdown RPC call.

> Add debug to TestMasterShutdown
> -------------------------------
>
>                 Key: HBASE-24052
>                 URL: https://issues.apache.org/jira/browse/HBASE-24052
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Michael Stack
>            Priority: Trivial
>         Attachments: 
> 0001-HBASE-24052-Add-debug-to-TestMasterShutdown.addendum.patch, 
> 0001-HBASE-24052-Add-debug-to-TestMasterShutdown.addendum2.patch, 
> 0001-HBASE-24052-Add-debug-to-TestMasterShutdown.patch
>
>
> Temporarily add debug to TestMasterShutdown overnight to learn more about a 
> test failure not reproducible locally.



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