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https://issues.apache.org/jira/browse/HADOOP-13070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15264464#comment-15264464
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Sean Busbey commented on HADOOP-13070:
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[~andrew.wang] and I were just earlier in the week discussing getting an
approach like this in place as a first step to see if it would suffice for
HADOOP-11656. Super glad to see more folks interested. On the launcher side,
I'm planning to pick HADOOP-11804 back up in the next few weeks.
Sangjin do let me know if there's anything I can help with on this, wether it's
reviews or early work testing out approaches.
> classloading isolation improvements for cleaner and stricter dependencies
> -------------------------------------------------------------------------
>
> Key: HADOOP-13070
> URL: https://issues.apache.org/jira/browse/HADOOP-13070
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Reporter: Sangjin Lee
> Assignee: Sangjin Lee
> Priority: Critical
>
> Related to HADOOP-11656, we would like to make a number of improvements in
> terms of classloading isolation so that user-code can run safely without
> worrying about dependency collisions with the Hadoop dependencies.
> By the same token, it should raised the quality of the user code and its
> specified classpath so that users get clear signals if they specify incorrect
> classpaths.
> This will contain a proposal that will include several improvements some of
> which may not be backward compatible. As such, it should be targeted to the
> next major revision of Hadoop.
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