[ 
https://issues.apache.org/jira/browse/HDFS-6089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932285#comment-13932285
 ] 

Hadoop QA commented on HDFS-6089:
---------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12634208/HDFS-6089.001.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 6 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 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with 
eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new 
Findbugs (version 1.3.9) 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 
hadoop-hdfs-project/hadoop-hdfs.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-HDFS-Build/6384//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6384//console

This message is automatically generated.

> Standby NN while transitioning to active throws a connection refused error 
> when the prior active NN process is suspended
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-6089
>                 URL: https://issues.apache.org/jira/browse/HDFS-6089
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha
>    Affects Versions: 2.4.0
>            Reporter: Arpit Gupta
>            Assignee: Jing Zhao
>         Attachments: HDFS-6089.000.patch, HDFS-6089.001.patch
>
>
> The following scenario was tested:
> * Determine Active NN and suspend the process (kill -19)
> * Wait about 60s to let the standby transition to active
> * Get the service state for nn1 and nn2 and make sure nn2 has transitioned to 
> active.
> What was noticed that some times the call to get the service state of nn2 got 
> a socket time out exception.



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