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From "Masahiro Tanaka (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-17253) Ambari Alert causes too many wanings in ZooKeeper logs.
Date Fri, 15 Jul 2016 17:34:21 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-17253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379736#comment-15379736
] 

Masahiro Tanaka commented on AMBARI-17253:
------------------------------------------

Thanks [~swagle]!

> Ambari Alert causes too many wanings in ZooKeeper logs.
> -------------------------------------------------------
>
>                 Key: AMBARI-17253
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17253
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-agent
>    Affects Versions: trunk
>            Reporter: Masahiro Tanaka
>            Assignee: Masahiro Tanaka
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17253.1.patch, AMBARI-17253.2.patch, AMBARI-17253.3.patch,
AMBARI-17253.4.patch, AMBARI-17253.5.patch, AMBARI-17253.6.patch, AMBARI-17253.patch
>
>
> There are too many WARNING in ZooKeeper log.
> {code}
> 2016-06-15 21:02:15,405 - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxn@357]
- caught end of stream exception
> EndOfStreamException: Unable to read additional data from client sessionid 0x0, likely
client has closed socket
>         at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:228)
>         at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:208)
>         at java.lang.Thread.run(Thread.java:745)
> {code}
> It may be because of Ambari Alert. Ambari Alert pings to the zookeeper port to do monitoring.
> We should use 'ruok' to monitor zookeepers.



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