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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9468) Previous active master can still serves RPC request when it is trying recovering expired zk session
Date Wed, 11 Sep 2013 21:30:53 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13764810#comment-13764810
] 

Hudson commented on HBASE-9468:
-------------------------------

FAILURE: Integrated in hbase-0.96 #35 (See [https://builds.apache.org/job/hbase-0.96/35/])
HBASE-9468 Previous active master can still serves RPC request when it is trying recovering
expired zk session (stack: rev 1521950)
* /hbase/branches/0.96/hbase-common/src/main/resources/hbase-default.xml
* /hbase/branches/0.96/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java

                
> 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, 0.94.13
>
>         Attachments: 9468-0.94.txt, 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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