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From Steve Kuo <kuosen...@gmail.com>
Subject Re: Regionserver died due to problem connecting to HMaster?
Date Wed, 21 Jul 2010 21:49:39 GMT
It's shaping up to be zookeeper problem.  The UI showed only 4 RS's running
but when I went on one of the nodes, I saw one of the missing RS was still
running.  This RS eventually got terminated due to the following exception
and proceeded to shut down.

I will search on all zookeeper related threads.  Any quick help will be most
appreciated.

2010-07-21 14:42:22,074 WARN org.apache.zookeeper.ClientCnxn: Exception
closing session 0x129f24e134a002b to sun.nio.ch.SelectionKeyImpl@15e232b5
java.io.IOException: TIMED OUT
        at
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
2010-07-21 14:42:22,075 WARN org.apache.zookeeper.ClientCnxn: Exception
closing session 0x129f24e134a002d to sun.nio.ch.SelectionKeyImpl@d2f0e06
java.io.IOException: TIMED OUT
        at
org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)

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