[jira] [Commented] (SPARK-6473) Launcher lib shouldn't try to figure out Scala version when not in dev mode

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-6473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14376569#comment-14376569 ] 

Apache Spark commented on SPARK-6473:
-------------------------------------

User 'vanzin' has created a pull request for this issue:
https://github.com/apache/spark/pull/5143

> Launcher lib shouldn't try to figure out Scala version when not in dev mode
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-6473
>                 URL: https://issues.apache.org/jira/browse/SPARK-6473
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.4.0
>            Reporter: Marcelo Vanzin
>             Fix For: 1.4.0
>
>
> Thanks to [~nravi] for pointing this out.
> The launcher library currently always tries to figure out what's the build's scala version, even when it's not needed. That code is only used when setting some dev options, and relies on the layout of the build directories, so it doesn't work with the directory layout created by make-distribution.sh.
> Right now this works on Linux because bin/load-spark-env.sh sets the Scala version explicitly, but it would break the distribution on Windows, for example.
> Fix is pretty straight-forward.



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