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https://issues.apache.org/jira/browse/HBASE-9468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762684#comment-13762684
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Feng Honghua commented on HBASE-9468:
-------------------------------------

[~enis] I agree with you :-). not sure if there is further concern of the 
recovering logic for expired master.
                
> 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
>
> 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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