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https://issues.apache.org/jira/browse/YARN-4577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281911#comment-15281911
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Hudson commented on YARN-4577:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9753 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9753/])
YARN-4577. Enable aux services to have their own custom classpath/jar (sjlee:
rev 0bbe01f8d56191edfba3b50fb9f8859a0b3f826f)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxServices.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/TestAuxServices.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/JarFinder.java
*
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestRunJar.java
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/AuxiliaryServiceWithCustomClassLoader.java
> Enable aux services to have their own custom classpath/jar file
> ---------------------------------------------------------------
>
> Key: YARN-4577
> URL: https://issues.apache.org/jira/browse/YARN-4577
> Project: Hadoop YARN
> Issue Type: Improvement
> Affects Versions: 2.8.0
> Reporter: Xuan Gong
> Assignee: Xuan Gong
> Fix For: 2.9.0
>
> Attachments: YARN-4577.1.patch, YARN-4577.2.patch,
> YARN-4577.20160119.1.patch, YARN-4577.20160204.patch,
> YARN-4577.20160428.patch, YARN-4577.20160509.patch, YARN-4577.20160510.patch,
> YARN-4577.20160511.1.patch, YARN-4577.20160511.patch, YARN-4577.3.patch,
> YARN-4577.3.rebase.patch, YARN-4577.4.patch, YARN-4577.5.patch,
> YARN-4577.poc.patch
>
>
> Right now, users have to add their jars to the NM classpath directly, thus
> put them on the system classloader. But if multiple versions of the plugin
> are present on the classpath, there is no control over which version actually
> gets loaded. Or if there are any conflicts between the dependencies
> introduced by the auxiliary service and the NM itself, they can break the NM,
> the auxiliary service, or both.
> The solution could be: to instantiate aux services using a classloader that
> is different from the system classloader.
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