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https://issues.apache.org/jira/browse/HBASE-9468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13764584#comment-13764584
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Lars Hofhansl commented on HBASE-9468:
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Yep... I'll make a 0.94 patch and commit it.
> Previous active master can still serves RPC request when it is trying
> recovering expired zk session
> ---------------------------------------------------------------------------------------------------
>
> Key: HBASE-9468
> URL: https://issues.apache.org/jira/browse/HBASE-9468
> Project: HBase
> Issue Type: Bug
> Reporter: Feng Honghua
> Assignee: Feng Honghua
> Fix For: 0.98.0, 0.96.0
>
> Attachments: HBASE-9468-trunk-v0.patch
>
>
> When the active master's zk session expires, it'll try to recover zk session,
> but without turn off its RpcServer. What if a previous backup master has
> already become the now active master, and some client tries to send request
> to this expired master by using the cached master info? Any problem here?
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