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https://issues.apache.org/jira/browse/HADOOP-12437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14986946#comment-14986946
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Hudson commented on HADOOP-12437:
---------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #1355 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/1355/])
HADOOP-12542. TestDNS fails on Windows after HADOOP-12437. Contributed
(cnauroth: rev 957f0311a160afb40dbb0619f455445b4f5d1e32)
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestDNS.java
* hadoop-common-project/hadoop-common/CHANGES.txt
> Allow SecurityUtil to lookup alternate hostnames
> -------------------------------------------------
>
> Key: HADOOP-12437
> URL: https://issues.apache.org/jira/browse/HADOOP-12437
> Project: Hadoop Common
> Issue Type: Bug
> Components: net, security
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: 2.8.0
>
> Attachments: HADOOP-12437.04.patch, HADOOP-12437.05.patch,
> HDFS-9109.01.patch, HDFS-9109.02.patch, HDFS-9109.03.patch
>
>
> The configuration setting {{dfs.datanode.dns.interface}} lets the DataNode
> select its hostname by doing a reverse lookup of IP addresses on the specific
> network interface. This does not work {{when /etc/hosts}} is used to setup
> alternate hostnames, since {{DNS#reverseDns}} only queries the DNS servers.
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