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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-25934) Mesos: SPARK_CONF_DIR should not be propogated by spark submit
Date Fri, 16 Nov 2018 16:02:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-25934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen resolved SPARK-25934.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.4.1
                   3.0.0
                   2.3.3

Issue resolved by pull request 22937
[https://github.com/apache/spark/pull/22937]

> Mesos: SPARK_CONF_DIR should not be propogated by spark submit
> --------------------------------------------------------------
>
>                 Key: SPARK-25934
>                 URL: https://issues.apache.org/jira/browse/SPARK-25934
>             Project: Spark
>          Issue Type: Bug
>          Components: Mesos
>    Affects Versions: 2.3.2
>            Reporter: Matt Molek
>            Assignee: Matt Molek
>            Priority: Major
>             Fix For: 2.3.3, 3.0.0, 2.4.1
>
>
> This is very similar to how SPARK_HOME caused problems for spark on Mesos in SPARK-12345
> The `spark submit` command is setting spark.mesos.driverEnv.SPARK_CONF_DIR to whatever
the SPARK_CONF_DIR was for the command that submitted the job.
> This is doesn't make sense for most mesos situations, and it broke spark for my team
when we upgraded from 2.2.0 to 2.3.2. I haven't tested it but I think 2.4.0 will have the
same issue.
> It's preventing spark-env.sh from running because now SPARK_CONF_DIR points to some non-existent
directory, instead of the unpacked spark binary in the Mesos sandbox like it should.
> I'm not that familiar with the spark code base, but I think this could be fixed by simply
adding a `&& k != "SPARK_CONF_DIR"` clause to this filter statement: https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/deploy/rest/RestSubmissionClient.scala#L421



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