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https://issues.apache.org/jira/browse/SPARK-16511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15374024#comment-15374024
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Robert Kruszewski commented on SPARK-16511:
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>From the comments on original PR are we fine exposing full ProcessBuilder? I 
>don't think there was conclusion. We could just expose directory. The error 
>stream redirection isn't that much of a concern with startApplication but I 
>might be missing something here.

> SparkLauncher should allow setting working directory for spark-submit process
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-16511
>                 URL: https://issues.apache.org/jira/browse/SPARK-16511
>             Project: Spark
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Robert Kruszewski
>
> Setting directory on java ProcessBuilder is only legitimate way of changing 
> working directory for a process in java. With applications like spark job 
> server if we run multiple drivers in client mode they can conflict with each 
> other. There's probably a lot more subtle breaks that can cause by running 
> driver process in same directory as the parent launcher.



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