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From "Samir Ahmic (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14163) hbase master stop loops both processes forever
Date Thu, 30 Jul 2015 08:05:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14647317#comment-14647317
] 

Samir Ahmic commented on HBASE-14163:
-------------------------------------

bq. How long did it take for your hbase master to shutdown?
In my case 10-15s.
Here is my output from $hbase master stop:
{code}
2015-07-30 09:22:20,826 INFO  [main] zookeeper.ZooKeeper: Initiating client connection, connectString=localhost:2181
sessionTimeout=90000 watcher=hconnection-0x344ec9c40x0, quorum=localhost:2181, baseZNode=/hbase
2015-07-30 09:22:20,856 INFO  [main-SendThread(localhost.localdomain:2181)] zookeeper.ClientCnxn:
Opening socket connection to server localhost.localdomain/127.0.0.1:2181. Will not attempt
to authenticate using SASL (unknown error)
2015-07-30 09:22:20,861 INFO  [main-SendThread(localhost.localdomain:2181)] zookeeper.ClientCnxn:
Socket connection established to localhost.localdomain/127.0.0.1:2181, initiating session
2015-07-30 09:22:20,870 INFO  [main-SendThread(localhost.localdomain:2181)] zookeeper.ClientCnxn:
Session establishment complete on server localhost.localdomain/127.0.0.1:2181, sessionid =
0x14eddd660110008, negotiated timeout = 40000
2015-07-30 09:22:21,686 INFO  [main] client.ConnectionImplementation: Closing master protocol:
MasterService
2015-07-30 09:22:21,686 INFO  [main] client.ConnectionImplementation: Closing zookeeper sessionid=0x14eddd660110008
2015-07-30 09:22:21,687 INFO  [main] zookeeper.ZooKeeper: Session: 0x14eddd660110008 closed
2015-07-30 09:22:21,687 INFO  [main-EventThread] zookeeper.ClientCnxn: EventThread shut down
{code}
I have seen this strange behavior on OS X before in most cases it was network related or something
with fact that in default configuration we write data in /tmp dir.  
 

> hbase master stop loops both processes forever
> ----------------------------------------------
>
>                 Key: HBASE-14163
>                 URL: https://issues.apache.org/jira/browse/HBASE-14163
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    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 configured.



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