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https://issues.apache.org/jira/browse/YARN-3768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14609191#comment-14609191
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Hudson commented on YARN-3768:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #8097 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/8097/])
YARN-3768. ArrayIndexOutOfBoundsException with empty environment variables.
(Zhihai Xu via gera) (gera: rev 6f2a41e37d0b36cdafcfff75125165f212c612a6)
*
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/TestApps.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/Apps.java
> ArrayIndexOutOfBoundsException with empty environment variables
> ---------------------------------------------------------------
>
> 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
> Fix For: 2.8.0
>
> Attachments: YARN-3768.000.patch, YARN-3768.001.patch,
> YARN-3768.002.patch, YARN-3768.003.patch, YARN-3768.004.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.
> {code}
> java.lang.ArrayIndexOutOfBoundsException: 1
> at org.apache.hadoop.yarn.util.Apps.setEnvFromInputString(Apps.java:80)
> {code}
> 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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