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https://issues.apache.org/jira/browse/SPARK-26132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17178019#comment-17178019
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Rafael commented on SPARK-26132:
--------------------------------
[~srowen]
In release notes for Spark 3.0.0 they mentioned your ticket
{quote}Due to the upgrade of Scala 2.12, {{DataStreamWriter.foreachBatch}} is
not source compatible for Scala program. You need to update your Scala source
code to disambiguate between Scala function and Java lambda. (SPARK-26132)
{quote}
so maybe you know how we should use *foreachPartition* now in Scala code
{code:java}
dataFrame.foreachPartition(partition => {
partition
.grouped(Config.BATCH_SIZE)
.foreach(batch => {
....
}
}
{code}
Right now it call on any method like grouped, foreach cause the exception
*value grouped is not a member of Object*
> Remove support for Scala 2.11 in Spark 3.0.0
> --------------------------------------------
>
> Key: SPARK-26132
> URL: https://issues.apache.org/jira/browse/SPARK-26132
> Project: Spark
> Issue Type: Improvement
> Components: Build, Spark Core
> Affects Versions: 3.0.0
> Reporter: Sean R. Owen
> Assignee: Sean R. Owen
> Priority: Major
> Labels: release-notes
> Fix For: 3.0.0
>
>
> Per some discussion on the mailing list, we are_considering_ formally not
> supporting Scala 2.11 in Spark 3.0. This JIRA tracks that discussion.
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