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https://issues.apache.org/jira/browse/YARN-4577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuan Gong updated YARN-4577:
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Attachment: YARN-4577.4.patch
> 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
> Attachments: YARN-4577.1.patch, YARN-4577.2.patch, YARN-4577.3.patch,
> YARN-4577.3.rebase.patch, YARN-4577.4.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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