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https://issues.apache.org/jira/browse/MAPREDUCE-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13954268#comment-13954268
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Hadoop QA commented on MAPREDUCE-5813:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12637623/MAPREDUCE-5813.v02.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{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 1.3.9) 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-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:
org.apache.hadoop.mapreduce.v2.app.TestMRAppMaster
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4468//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4468//console
This message is automatically generated.
> YarnChild does not load job.xml with mapreduce.job.classloader=true
> --------------------------------------------------------------------
>
> Key: MAPREDUCE-5813
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5813
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2, task
> Affects Versions: 2.3.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Priority: Blocker
> Attachments: MAPREDUCE-5813.v01.patch, MAPREDUCE-5813.v02.patch
>
>
> {{YarnChild.main}} uses {{JobConf.addResource(String)}} to load {{job.xml}}
> that relies on class loading. When {{mapreduce.job.classloader=true}} the
> job-speicific part of the class path is separated from {{CLASSPATH}} into
> {{APP_CLASSPATH}}. Therefore {{job.xml}} is inaccessible for the default
> class loader. Later {{writeLocalJobFile}} overwrites the correct localized
> {{job.xml}} on disk as well.
> This problem is easily avoided by using {{JobConf.addResource(Path)}} to
> read the localized {{job.xml}} without relying on class loading.
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