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https://issues.apache.org/jira/browse/SPARK-5816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14326942#comment-14326942
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Apache Spark commented on SPARK-5816:
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User 'andrewor14' has created a pull request for this issue:
https://github.com/apache/spark/pull/4687
> Add huge backward compatibility warning in DriverWrapper
> --------------------------------------------------------
>
> Key: SPARK-5816
> URL: https://issues.apache.org/jira/browse/SPARK-5816
> Project: Spark
> Issue Type: Bug
> Components: Deploy, Spark Core
> Affects Versions: 1.3.0
> Reporter: Andrew Or
> Assignee: Andrew Or
> Priority: Critical
>
> As of Spark 1.3, we provide backward and forward compatibility in standalone
> cluster mode through the REST submission gateway. HOWEVER, it nevertheless
> goes through the legacy o.a.s.deploy.DriverWrapper, and the semantics of the
> command line arguments there must not change. For instance, this was broken
> in commit 20a6013106b56a1a1cc3e8cda092330ffbe77cc3.
> There is currently no warning against that in the class and so we should add
> one before it's too late.
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