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https://issues.apache.org/jira/browse/YARN-3626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14562971#comment-14562971
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Hudson commented on YARN-3626:
------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk #2139 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/2139/])
YARN-3626. On Windows localized resources are not moved to the front of the 
classpath when they should be. Contributed by Craig Welch. (cnauroth: rev 
4102e5882e17b75507ae5cf8b8979485b3e24cbc)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/TestContainerLaunch.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/util/MRApps.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/ApplicationConstants.java
* 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/launcher/ContainerLaunch.java
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java


> On Windows localized resources are not moved to the front of the classpath 
> when they should be
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-3626
>                 URL: https://issues.apache.org/jira/browse/YARN-3626
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>         Environment: Windows
>            Reporter: Craig Welch
>            Assignee: Craig Welch
>             Fix For: 2.7.1
>
>         Attachments: YARN-3626.0.patch, YARN-3626.11.patch, 
> YARN-3626.14.patch, YARN-3626.15.patch, YARN-3626.16.patch, 
> YARN-3626.4.patch, YARN-3626.6.patch, YARN-3626.9.patch
>
>
> In response to the mapreduce.job.user.classpath.first setting the classpath 
> is ordered differently so that localized resources will appear before system 
> classpath resources when tasks execute.  On Windows this does not work 
> because the localized resources are not linked into their final location when 
> the classpath jar is created.  To compensate for that localized jar resources 
> are added directly to the classpath generated for the jar rather than being 
> discovered from the localized directories.  Unfortunately, they are always 
> appended to the classpath, and so are never preferred over system resources.



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