Re: [DISCUSS] Drop Scala 2.11

Posted by Igal Shilman on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/DISCUSS-Drop-Scala-2-11-tp38027p38050.html

@Galen  FYI: the upcoming StateFun release would use Scala2.12

On Thu, Sep 10, 2020 at 5:14 PM Seth Wiesman <[hidden email]> wrote:

@glen

Yes, we would absolutely migrate statefun. StateFun can be compiled with Scala 2.12 today, I'm not sure why it's not cross released.

@aljoscha :)

@mathieu Its on the roadmap but it's non-trivial and I'm not aware of anyone actively working on it.

On Thu, Sep 10, 2020 at 10:09 AM Matthieu Bonneviot <[hidden email]> wrote:

That makes sense.
We are using 2.12 for our production
Also, for flink scala 2.12 support, it is in fact limited to scala 2.12.7.
It is binary incompatible with version 2.12 above (
https://issues.apache.org/jira/browse/FLINK-12461 )
That would be great to at least move to a more recent 2.12 version, and
ideally to 2.13.

Is there any scala support plan available?

Matthieu


On Thu, Sep 10, 2020 at 5:00 PM Aljoscha Krettek <[hidden email]>
wrote:

> Yes! I would be in favour of this since it's blocking us from upgrading
> certain dependencies.
>
> I would also be in favour of dropping Scala completely but that's a
> different story.
>
> Aljoscha
>
> On 10.09.20 16:51, Seth Wiesman wrote:
> > Hi Everyone,
> >
> > Think of this as a pre-flip, but what does everyone think about dropping
> > Scala 2.11 support from Flink.
> >
> > The last patch release was in 2017 and in that time the scala community
> has
> > released 2.13 and is working towards a 3.0 release. Apache Kafka and
> Spark
> > have both dropped 2.11 support in recent versions. In fact, Flink's
> > universal Kafka connector is stuck on 2.4 because that is the last
> version
> > with scala 2.11 support.
> >
> > What are people's thoughts on dropping Scala 2.11? How many are still
> using
> > it in production?
> >
> > Seth
> >
>
>

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Matthieu Bonneviot
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