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https://issues.apache.org/jira/browse/SPARK-27911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-27911:
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Affects Version/s: (was: 3.0.0)
3.1.0
> PySpark Packages should automatically choose correct scala version
> ------------------------------------------------------------------
>
> Key: SPARK-27911
> URL: https://issues.apache.org/jira/browse/SPARK-27911
> Project: Spark
> Issue Type: New Feature
> Components: PySpark
> Affects Versions: 3.1.0
> Reporter: Michael Armbrust
> Priority: Major
>
> Today, users of pyspark (and Scala) need to manually specify the version of
> Scala that their Spark installation is using when adding a Spark package to
> their application. This extra configuration is confusing to users who may not
> even know which version of Scala they are using (for example, if they
> installed Spark using {{pip}}). The confusion here is exacerbated by releases
> in Spark that have changed the default from {{2.11}} -> {{2.12}} -> {{2.11}}.
> https://spark.apache.org/releases/spark-release-2-4-2.html
> https://spark.apache.org/releases/spark-release-2-4-3.html
> Since Spark can know which version of Scala it was compiled for, we should
> give users the option to automatically choose the correct version. This
> could be as simple as a substitution for {{$scalaVersion}} or something when
> resolving a package (similar to SBTs support for automatically handling scala
> dependencies).
> Here are some concrete examples of users getting it wrong and getting
> confused:
> https://github.com/delta-io/delta/issues/6
> https://github.com/delta-io/delta/issues/63
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