[jira] [Commented] (PIO-199) Spark 2.4 (Scala 2.11) support

["Takako Shimamoto (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIO-199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723747#comment-16723747 ] 

Takako Shimamoto commented on PIO-199:
--------------------------------------

Since Spark 2.4, Spark has upgraded json4s to 3.5.3. As a result, json4s doesn't depend on scala-lang's scalap; that is, it isn't added dependencies on scala-compiler and scala-reflect as well.

https://issues.apache.org/jira/browse/SPARK-23043
 [https://github.com/json4s/json4s/pull/180]

> Spark 2.4 (Scala 2.11) support
> ------------------------------
>
>                 Key: PIO-199
>                 URL: https://issues.apache.org/jira/browse/PIO-199
>             Project: PredictionIO
>          Issue Type: Improvement
>            Reporter: Takako Shimamoto
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Though Spark 2.4 has added Scala 2.12 support, it is marked as experimental on the Spark release notes, so the next version of PIO will only add Spark 2.4 (Scala 2.11) support.
> https://spark.apache.org/releases/spark-release-2-4-0.html



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