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https://issues.apache.org/jira/browse/SPARK-26027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688938#comment-16688938
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Hyukjin Kwon commented on SPARK-26027:
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Is the goal to use Scala 2.12.6? The default is now changed to 2.12.6 as of
https://github.com/apache/spark/commit/ad853c56788fd32e035369d1fe3d96aaf6c4ef16.
This issue is obsolete and we could better leave this resolved.
> Unable to build Spark for Scala 2.12 with Maven script provided
> ---------------------------------------------------------------
>
> Key: SPARK-26027
> URL: https://issues.apache.org/jira/browse/SPARK-26027
> Project: Spark
> Issue Type: Bug
> Components: Build
> Affects Versions: 2.4.0
> Reporter: Jason Moore
> Priority: Minor
>
> In ./build/mvn, <scala.version> from pom.xml is used to determine which Scala
> library to fetch but it doesn't seem to use the value under the scala-2.12
> profile even if that is set.
> The result is that the maven build still uses scala-library 2.11.12 and
> compilation fails.
> Am I missing a step? (I do run ./dev/change-scala-version.sh 2.12 but I think
> that only updates scala.binary.version)
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