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https://issues.apache.org/jira/browse/SPARK-3732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152308#comment-14152308
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Thomas Graves commented on SPARK-3732:
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I think you should just change the name of this jira to add support for
programmatically calling the spark yarn Client. As you have found this isn't
currently supported and I wouldn't want to just remove the exit and say its
supported without thinking about other implications.
> Yarn Client: Add option to NOT System.exit() at end of main()
> -------------------------------------------------------------
>
> Key: SPARK-3732
> URL: https://issues.apache.org/jira/browse/SPARK-3732
> Project: Spark
> Issue Type: Improvement
> Affects Versions: 1.1.0
> Reporter: Sotos Matzanas
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> We would like to add the ability to create and submit Spark jobs
> programmatically via Scala/Java. We have found a way to hack this and submit
> jobs via Yarn, but since
> org.apache.spark.deploy.yarn.Client.main()
> exits with either 0 or 1 in the end, this will mean exit of our own program.
> We would like to add an optional spark conf param to NOT exit at the end of
> the main
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