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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-17253) Ambari Alert causes too many wanings in ZooKeeper logs.
Date Tue, 05 Jul 2016 00:28:11 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-17253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361858#comment-15361858
] 

Hadoop QA commented on AMBARI-17253:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12816089/AMBARI-17253.4.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in ambari-server.

Test results: https://builds.apache.org/job/Ambari-trunk-test-patch/7688//testReport/
Console output: https://builds.apache.org/job/Ambari-trunk-test-patch/7688//console

This message is automatically generated.

> 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
>         Attachments: AMBARI-17253.1.patch, AMBARI-17253.2.patch, AMBARI-17253.3.patch,
AMBARI-17253.4.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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