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Date: Tue, 13 Oct 2015 07:17:05 +0000 (UTC)
From: "Hadoop QA (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12904427.1444708157000.21725.1444720625336@Atlassian.JIRA>
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 <JIRA.12904427.1444708157646@arcas>
Subject: [jira] [Commented] (HBASE-14594) Use new DNS API introduced in
 HADOOP-12437
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    [ https://issues.apache.org/jira/browse/HBASE-14594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14954532#comment-14954532 ] 

Hadoop QA commented on HBASE-14594:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12766257/HBASE-14594.001.patch
  against master branch at commit 2ff6d0fe4789857ab51685949711d755dedd459a.
  ATTACHMENT ID: 12766257

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

    {color:red}-1 tests included{color}.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    {color:green}+1 hadoop versions{color}. The patch compiles with all supported hadoop versions (2.4.0 2.4.1 2.5.0 2.5.1 2.5.2 2.6.0 2.6.1 2.7.0 2.7.1)

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

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

    {color:red}-1 javadoc{color}.  The javadoc tool appears to have generated 1 warning messages.

                {color:red}-1 checkstyle{color}.  The applied patch generated 1755 checkstyle errors (more than the master's current 1754 errors).

    {color:green}+1 findbugs{color}.  The patch does not introduce any  new Findbugs (version 2.0.3) warnings.

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

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn post-site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer

     {color:red}-1 core zombie tests{color}.  There are 1 zombie test(s): 	at org.apache.hadoop.hbase.filter.TestFuzzyRowFilterEndToEnd.testEndToEnd(TestFuzzyRowFilterEndToEnd.java:143)

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/15980//testReport/
Release Findbugs (version 2.0.3) 	warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15980//artifact/patchprocess/newFindbugsWarnings.html
Checkstyle Errors: https://builds.apache.org/job/PreCommit-HBASE-Build/15980//artifact/patchprocess/checkstyle-aggregate.html

                Javadoc warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/15980//artifact/patchprocess/patchJavadocWarnings.txt
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/15980//console

This message is automatically generated.

> Use new DNS API introduced in HADOOP-12437
> ------------------------------------------
>
>                 Key: HBASE-14594
>                 URL: https://issues.apache.org/jira/browse/HBASE-14594
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 2.0.0, 1.2.1, 1.0.3, 1.1.3
>
>         Attachments: HBASE-14594.001.patch
>
>
> HADOOP-12437 introduced a new API to {{org.apache.hadoop.net.DNS}}: {{getDefaultHost(String, String, boolean)}}.
> The purpose of this method (the boolean argument really) is to change the functionality so that when rDNS fails, {{InetAddress#getCanonicalHostName()}} is consulted which includes resolution via the hosts file.
> The direct application of this new method is relevant on hosts with multiples NICs and Kerberos enabled.
> Sadly, this method only exists in 2.8.0-SNAPSHOT, so to benefit from the fix without great pain, some reflection is required.


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