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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-3619) DNS.getHosts triggers an ArrayIndexOutOfBoundsException in reverseDNS if one of the interfaces is IPv6
Date Wed, 23 Sep 2015 02:28:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903837#comment-14903837
] 

Hadoop QA commented on HADOOP-3619:
-----------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  20m 41s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to include 1 new
or modified test files. |
| {color:green}+1{color} | javac |   9m 21s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  6s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 12s | The applied patch generated  27 new checkstyle
issues (total was 28, now 55). |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 3  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 32s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 53s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |  23m  3s | Tests failed in hadoop-common. |
| | |  68m 49s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.fs.TestLocalFsFCStatistics |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12655523/HADOOP-3619-v2.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / cc2b473 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HADOOP-Build/7688/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HADOOP-Build/7688/artifact/patchprocess/whitespace.txt
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HADOOP-Build/7688/artifact/patchprocess/testrun_hadoop-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/7688/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/7688/console |


This message was automatically generated.

> DNS.getHosts triggers an ArrayIndexOutOfBoundsException in reverseDNS if one of the interfaces
is IPv6
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3619
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3619
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: net
>            Reporter: Steve Loughran
>            Assignee: Dr. Martin Menzel
>              Labels: BB2015-05-TBR, ipv6, patch
>         Attachments: HADOOP-3619-v2.patch
>
>
> reverseDNS tries to split a host address string by ".", and so fails if ":" is the separator,
as it is in IPv6. When it tries to access the parts of the address, a stack trace is seen.



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