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https://issues.apache.org/jira/browse/YARN-3835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14594876#comment-14594876
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Vamsee Yarlagadda commented on YARN-3835:
-----------------------------------------
Manually verified tests.jar to see missing core-site.xml, yarn-site.xml
> hadoop-yarn-server-resourcemanager test package bundles core-site.xml,
> yarn-site.xml
> ------------------------------------------------------------------------------------
>
> Key: YARN-3835
> URL: https://issues.apache.org/jira/browse/YARN-3835
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.6.0
> Reporter: Vamsee Yarlagadda
> Assignee: Vamsee Yarlagadda
> Priority: Minor
> Attachments: YARN-3835.patch
>
>
> It looks like by default yarn is bundling core-site.xml, yarn-site.xml in
> test artifact of hadoop-yarn-server-resourcemanager which means that any
> downstream project which uses this a dependency can have a problem in picking
> up the user supplied/environment supplied core-site.xml, yarn-site.xml
> So we should ideally exclude these .xml files from being bundled into the
> test-jar. (Similar to YARN-1748)
> I also proactively looked at other YARN modules where this might be
> happening.
> {code}
> vamsee-MBP:hadoop-yarn-project vamsee$ find . -name "*-site.xml"
> ./hadoop-yarn/conf/yarn-site.xml
> ./hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/src/test/resources/yarn-site.xml
> ./hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/resources/yarn-site.xml
> ./hadoop-yarn/hadoop-yarn-client/src/test/resources/core-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/resources/core-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/core-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/resources/yarn-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/target/test-classes/core-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/target/test-classes/yarn-site.xml
> ./hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-tests/src/test/resources/core-site.xml
> {code}
> And out of these only two modules (hadoop-yarn-server-resourcemanager,
> hadoop-yarn-server-tests) are building test-jars. In future, if we start
> building test-jar of other modules, we should exclude these xml files from
> being bundled.
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