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https://issues.apache.org/jira/browse/HADOOP-13070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15961227#comment-15961227
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Andrew Wang commented on HADOOP-13070:
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Is this JIRA still being actively worked on? If not, I'd like to drop the
priority to Major.
> classloading isolation improvements for 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
> Attachments: classloading-improvements-ideas.pdf,
> classloading-improvements-ideas.v.2.pdf,
> classloading-improvements-ideas-v.3.pdf, HADOOP-13070.poc.01.patch, lib.jar,
> TestDriver.java, Test.java
>
>
> 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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