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https://issues.apache.org/jira/browse/SPARK-21004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-21004.
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Resolution: Won't Fix
Agree, but, this is really too minor to bother with in one issue, and, this
function will be removed shortly when 2.10 support goes away.
> remove the never used declaration in function warnDeprecatedVersions
> --------------------------------------------------------------------
>
> Key: SPARK-21004
> URL: https://issues.apache.org/jira/browse/SPARK-21004
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: yangZhiguo
> Priority: Minor
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> the function {warnDeprecatedVersions} of class SparkContext, the declaration
> of
> val javaVersion = System.getProperty("java.version").split("[+.\\-]+", 3)
> is never used in this function
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