[jira] [Commented] (SPARK-12176) SparkLauncher's setConf() does not support configs containing spaces

["Marcelo Vanzin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-12176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15045433#comment-15045433 ] 

Marcelo Vanzin commented on SPARK-12176:
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Do you have a code example and environment where this is an issue?

The launcher uses Runtime.exec() which doesn't require escaping anything. In fact I just tested this on Linux and it works fine.

> SparkLauncher's setConf() does not support configs containing spaces
> --------------------------------------------------------------------
>
>                 Key: SPARK-12176
>                 URL: https://issues.apache.org/jira/browse/SPARK-12176
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.4.0, 1.4.1, 1.5.0, 1.5.1, 1.5.2
>         Environment: All
>            Reporter: Yuhang Chen
>            Priority: Minor
>
> The spark-submit uses '--conf K=V' pattern for setting configs. According to the docs, if the 'V' you set has spaces in it, the whole 'K=V' parts should be wrapped with quotes. 
> However, the SparkLauncher (org.apache.spark.launcher.SparkLauncher) would not do that wrapping for you, and there is no chance for wrapping by yourself with the API it provides.
> I checked up the source, all confs are stored in a Map before generating launching commands. Thus. my advice is checking all values of the conf Map and do wrapping during command building.



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