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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3768) Index out of range exception with environment variables without values
Date Fri, 12 Jun 2015 06:02:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-3768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14582996#comment-14582996
] 

Hadoop QA commented on YARN-3768:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  16m 19s | 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:red}-1{color} | javac |   7m 35s | The applied patch generated  1  additional warning
messages. |
| {color:green}+1{color} | javadoc |   9m 35s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 24s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 53s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 37s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   1m 35s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | yarn tests |   1m 57s | Tests passed in hadoop-yarn-common. |
| | |  40m 31s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12739163/YARN-3768.000.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 83e8110 |
| javac | https://builds.apache.org/job/PreCommit-YARN-Build/8240/artifact/patchprocess/diffJavacWarnings.txt
|
| hadoop-yarn-common test log | https://builds.apache.org/job/PreCommit-YARN-Build/8240/artifact/patchprocess/testrun_hadoop-yarn-common.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/8240/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf906.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-YARN-Build/8240/console |


This message was automatically generated.

> Index out of range exception with environment variables without values
> ----------------------------------------------------------------------
>
>                 Key: YARN-3768
>                 URL: https://issues.apache.org/jira/browse/YARN-3768
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.5.0
>            Reporter: Joe Ferner
>            Assignee: zhihai xu
>         Attachments: YARN-3768.000.patch
>
>
> Looking at line 80 of org.apache.hadoop.yarn.util.Apps an index out of range exception
occurs if an environment variable is encountered without a value.
> I believe this occurs because java will not return empty strings from the split method.
Similar to this http://stackoverflow.com/questions/14602062/java-string-split-removed-empty-values



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