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https://issues.apache.org/jira/browse/KAFKA-12954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17370613#comment-17370613
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Josep Prat commented on KAFKA-12954:
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Hi [~ijuma] I did a draft PR with the changes that would be needed to support
Scala 3.
You can evaluate it yourself here: [https://github.com/apache/kafka/pull/10934]
The changes are minimal and automatic (right import and a rename of a method).
The branch in that PR can compile Kafka in both 2.13 and 3.0 versions.
{code:java}
./gradlew -PscalaVersion=3.0 compileScala
{code}
{code:java}
./gradlew -PscalaVersion=2.13 compileScala
{code}
> Add Support for Scala 3 in 4.0.0
> --------------------------------
>
> Key: KAFKA-12954
> URL: https://issues.apache.org/jira/browse/KAFKA-12954
> Project: Kafka
> Issue Type: Improvement
> Components: build
> Reporter: Josep Prat
> Assignee: Josep Prat
> Priority: Major
> Labels: needs-kip
> Fix For: 4.0.0
>
>
> This is a follow up task from
> https://issues.apache.org/jira/browse/KAFKA-12895, in which Scala 2.12
> support will be dropped.
> It would be good to, at the same time, add support for Scala 3.
> Initially it would be enough to only make the code compile with Scala 3 so we
> can generate the proper Scala 3 artifacts, this might be achieved with the
> proper compiler flags and an occasional rewrite.
> Follow up tasks could be created to migrate to a more idiomatic Scala 3
> writing if desired.
> If I understand it correctly, this would need a KIP as we are modifying the
> public interfaces (new artifacts). If this is the case, let me know and I
> will write it.
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