| Re: [hono-dev] Upgrade to Java 11 |
On Thu, 2018-10-04 at 09:31 +0200, Jens Reimann wrote:
> Well I am a little bit torn apart. Yes, I would like to switch to Java 11 right
> away. Just because it is the newest one. then again we currently would have
> issues with the OpenShift S2I deployment as those images still have Java 8 on
> board. There is an issue for that [1], but I think it needs some more time.
>
> I think it is fine to switch to Java 11 as a runtime, but not at the compiler
> level. So we can't use all the cool stuff, right away, but we could switch back
> to JRE 8 as a runtime.
I am confused. Does this mean that you would be in favor of using OpenJDK 11 as
the runtime in our Docker images or not?
>
> [1] https://github.com/fabric8io-images/s2i/issues/160
>
> On Tue, Oct 2, 2018 at 5:54 PM Frank Karsten (INST/ECS4) <
> Karsten.Frank2@xxxxxxxxxxxx> wrote:
> > > > At least for the docker images - regarding the language level I would
> > > > quite like to have Java 9 features available,
> > >
> > > Can you give an example of such a feature?
> >
> > Yes - I am thinking of the extension to the quite limited Optional class of
> > Java 8.
> > Beginning with Java 9 there are several extensions, especially the
> > ifPresentOrElse method I would like to use sometimes.
> >
> > Mit freundlichen Grüßen / Best regards
> >
> > Karsten Frank
> >
> > (INST/ECS4)
> > Bosch Software Innovations GmbH | Ullsteinstr. 128 | 12109 Berlin | GERMANY |
> > www.bosch-si.com
> > Sitz: Berlin, Registergericht: Amtsgericht Charlottenburg; HRB 148411 B
> > Aufsichtsratsvorsitzender: Dr.-Ing. Thorsten Lücke; Geschäftsführung: Dr.
> > Stefan Ferber, Michael Hahn
> >
> >
> >
> >
> > > -----Original Message-----
> > > From: hono-dev-bounces@xxxxxxxxxxx <hono-dev-bounces@xxxxxxxxxxx> On
> > > Behalf Of Hudalla Kai (INST/ECS4)
> > > Sent: Dienstag, 2. Oktober 2018 17:48
> > > To: hono-dev@xxxxxxxxxxx
> > > Subject: Re: [hono-dev] Upgrade to Java 11
> > >
> > > On Tue, 2018-10-02 at 13:34 +0000, Frank Karsten (INST/ECS4) wrote:
> > > > Hi everyone,
> > > >
> > > > I cannot see any specific reason to not change to OpenJDK 11.
> > > >
> > > > At least for the docker images - regarding the language level I would
> > > > quite like to have Java 9 features available,
> > >
> > > Can you give an example of such a feature?
> > >
> > > > but maybe we should delay that step further?
> > > >
> > > >
> > > > Mit freundlichen Grüßen / Best regards
> > > >
> > > > Karsten Frank
> > > >
> > > > (INST/ECS4)
> > > > Bosch Software Innovations GmbH | Ullsteinstr. 128 | 12109 Berlin |
> > > > GERMANY | www.bosch-si.com
> > > >
> > > > Sitz: Berlin, Registergericht: Amtsgericht Charlottenburg; HRB 148411
> > > > B
> > > > Aufsichtsratsvorsitzender: Dr.-Ing. Thorsten Lücke; Geschäftsführung: Dr.
> > > > Stefan Ferber, Michael Hahn
> > > >
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: hono-dev-bounces@xxxxxxxxxxx <hono-dev-bounces@xxxxxxxxxxx> On
> > > > > Behalf Of Hudalla Kai (INST/ECS4)
> > > > > Sent: Dienstag, 2. Oktober 2018 13:38
> > > > > To: hono-dev@xxxxxxxxxxx
> > > > > Subject: [hono-dev] Upgrade to Java 11
> > > > >
> > > > > Hi list,
> > > > >
> > > > > Jens had added support for building Hono using a version 10/11 JDK
> > > > > some while ago. As part of that effort, we now also run our
> > > > > integration tests using Maven on Travis using a version 10 JRE.
> > > > > However, we didn't upgrade the JRE used in our Docker images yet.
> > > > >
> > > > > Are there any specific reasons that should prevent us from starting
> > > > > to use e.g.
> > > > > OpenJDK 11 in our Docker images? Please note that we are still using
> > > > > Java 8 as the source and target level in our build, so all jars we
> > > > > publish on Maven Central can still be run using a version 8 JRE ...
> > > > >
> > > > > --
> > > > > Mit freundlichen Grüßen / Best regards
> > > > >
> > > > > Kai Hudalla
> > > > > Chief Software Architect
> > > > >
> > > > > Bosch Software Innovations GmbH
> > > > > Ullsteinstr. 128
> > > > > 12109 Berlin
> > > > > GERMANY
> > > > > www.bosch-si.com
> > > > >
> > > > > Registered Office: Berlin, Registration Court: Amtsgericht
> > > > > Charlottenburg; HRB
> > > > > 148411 B
> > > > > Chairman of the Supervisory Board: Dr.-Ing. Thorsten Lücke; Managing
> > > > > Directors:
> > > > > Dr. Stefan Ferber, Michael Hahn
> > > > >
> > > > > _______________________________________________
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> > > >
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>
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