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https://issues.apache.org/jira/browse/HBASE-8270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13623248#comment-13623248
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Jeffrey Zhong commented on HBASE-8270:
--------------------------------------
Without the fix, exceptions thrown from the MetaServerShutdownHandler.process
could messup "reference count" value of DeadServer.numProcessing. After that
ServerManager.areDeadServersInProgress() will always return true, the end
effect is that the cluster balancer stop working.
> Backport HBASE-8097 to 0.94
> ---------------------------
>
> Key: HBASE-8270
> URL: https://issues.apache.org/jira/browse/HBASE-8270
> Project: HBase
> Issue Type: Bug
> Reporter: Devaraj Das
>
> HBASE-8097 fixes a problem to do with exception handling in MetaSSH. We
> should backport that part of the fix to 0.94.
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