GitHub user JackYangzg opened a pull request:

    https://github.com/apache/spark/pull/18225

    [SPARK-21004]remove the never used declaration in function warnDeprec…

    JIRA Issue:https://issues.apache.org/jira/browse/SPARK-21004
    
    
    
    the function {warnDeprecatedVersions} of class SparkContext, the 
declaration of
    val javaVersion = System.getProperty("java.version").split("[+.\\-]+", 3)
    is never used in this function.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/JackYangzg/spark removeNoneVal

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/18225.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #18225
    
----
commit e94fcb20c2fe00db6fd6e824abd8e7331a6febf2
Author: 杨治国10192065 <yang.zhi...@zte.com.cn>
Date:   2017-06-07T07:41:55Z

    [SPARK-21004]remove the never used declaration in function 
warnDeprecatedVersions

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