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https://issues.apache.org/jira/browse/SPARK-26813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen reassigned SPARK-26813:
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Assignee: Chenxiao Mao
> Consolidate java version across language compilers and build tools
> ------------------------------------------------------------------
>
> Key: SPARK-26813
> URL: https://issues.apache.org/jira/browse/SPARK-26813
> Project: Spark
> Issue Type: Improvement
> Components: Build
> Affects Versions: 2.4.0
> Reporter: Chenxiao Mao
> Assignee: Chenxiao Mao
> Priority: Minor
>
> The java version here means versions of javac source, javac target, scalac
> target. They could be consolidated as a single version (currently 1.8)
> || ||javac||scalac||
> |source|1.8|2.12/2.11|
> |target|1.8|1.8|
> The current issues are as follows
> * Maven defines a single property to specify java version (java.version)
> while SBT build defines different properties for javac (javacJVMVersion) and
> scalac (scalacJVMVersion). SBT should use a single property as Maven does.
> * Furthermore, it's better for SBT to refer to java.version defined by
> Maven. This is possible since we've already been using sbt-pom-reader.
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