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https://issues.apache.org/jira/browse/SPARK-3107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14107476#comment-14107476
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Marcelo Vanzin commented on SPARK-3107:
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The {{--jar}} issue is fixed in SPARK-2933.
Where do you see the sys properties issue? Setting a system property to an
empty value is semantically different from not setting it, although I'm
sceptical it would make a difference here.
> Don't pass null jar to executor in yarn-client mode
> ---------------------------------------------------
>
> Key: SPARK-3107
> URL: https://issues.apache.org/jira/browse/SPARK-3107
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.1.0
> Reporter: Andrew Or
>
> In the following line, ExecutorLauncher's `--jar` takes in null.
> {code}
> 14/08/18 20:52:43 INFO yarn.Client: command: $JAVA_HOME/bin/java -server
> -Xmx512m ... org.apache.spark.deploy.yarn.ExecutorLauncher --class 'notused'
> --jar null --arg 'ip-172-31-0-12.us-west-2.compute.internal:56838'
> --executor-memory 1024 --executor-cores 1 --num-executors 2
> {code}
> Also it appears that we set a bunch of system properties to empty strings
> (not shown). We should avoid setting these if they don't actually contain
> values.
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