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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8568) DNS#reverseDns fails on IPv6 addresses
Date Mon, 14 Jul 2014 07:49:06 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14060411#comment-14060411

Hadoop QA commented on HADOOP-8568:

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {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
                        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 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
2.0.3) warnings.

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

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common:


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

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/4260//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/4260//console

This message is automatically generated.

> DNS#reverseDns fails on IPv6 addresses
> --------------------------------------
>                 Key: HADOOP-8568
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8568
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Tony Kew
>              Labels: newbie
>         Attachments: HADOOP-8568.patch
> DNS#reverseDns assumes hostIp is a v4 address (4 parts separated by dots), blows up if
given a v6 address:
> {noformat}
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
>         at org.apache.hadoop.net.DNS.reverseDns(DNS.java:79)
>         at org.apache.hadoop.net.DNS.getHosts(DNS.java:237)
>         at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:340)
>         at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:358)
>         at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:337)
>         at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:235)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>         at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:1649)
> {noformat}

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