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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14163) hbase master stop loops both processes forever
Date Tue, 28 Jul 2015 20:21:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644985#comment-14644985
] 

Allen Wittenauer commented on HBASE-14163:
------------------------------------------

I can reproduce this repeatedly using master.

# untar a fresh install with nothing configured except what ships out of the box
# bin/hbase master start
# let it start up
# in another window, bin/hbase master stop

Both processes are now looping:

{code}
2015-07-28 13:16:11,985 INFO  [10.248.3.81:53113.activeMasterManager-SendThread(localhost:2181)]
zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181. Will not
attempt to authenticate using SASL (unknown error)
2015-07-28 13:16:11,985 WARN  [10.248.3.81:53113.activeMasterManager-SendThread(localhost:2181)]
zookeeper.ClientCnxn: Session 0x14ed64a3ddd0004 for server null, unexpected error, closing
socket connection and attempting reconnect
java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
2015-07-28 13:16:12,603 INFO  [10.248.3.81:53113.activeMasterManager-SendThread(localhost:2181)]
zookeeper.ClientCnxn: Opening socket connection to server localhost/0:0:0:0:0:0:0:1:2181.
Will not attempt to authenticate using SASL (unknown error)
2015-07-28 13:16:12,603 WARN  [10.248.3.81:53113.activeMasterManager-SendThread(localhost:2181)]
zookeeper.ClientCnxn: Session 0x14ed64a3ddd0004 for server null, unexpected error, closing
socket connection and attempting reconnect
java.net.ConnectException: Connection refused
	at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
	at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
	at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)
	at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081)
{code}

... until a kill or ctrl-c is sent. 

> hbase master stop loops both processes forever
> ----------------------------------------------
>
>                 Key: HBASE-14163
>                 URL: https://issues.apache.org/jira/browse/HBASE-14163
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Allen Wittenauer
>
> It would appear that there is an infinite loop in the zk client connection code when
performing a master stop when no external zk servers are available.



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