+1 to deprecate Java 8, so we can hopefully incorporate the module concept in Flink.
On Thu, Nov 25, 2021 at 9:49 AM Chesnay Schepler <ches...@apache.org> wrote: > Users can already use APIs from Java 8/11. > > On 25/11/2021 09:35, Francesco Guardiani wrote: > > +1 with what both Ingo and Matthias sad, personally, I cannot wait to > start using some of > > the APIs introduced in Java 9. And I'm pretty sure that's the same for > our users as well. > > > > On Tuesday, 23 November 2021 13:35:07 CET Ingo Bürk wrote: > >> Hi everyone, > >> > >> continued support for Java 8 can also create project risks, e.g. if a > >> vulnerability arises in Flink's dependencies and we cannot upgrade them > >> because they no longer support Java 8. Some projects already started > >> deprecating support as well, like Kafka, and other projects will likely > >> follow. > >> Let's also keep in mind that the proposal here is not to drop support > right > >> away, but to deprecate it, send the message, and motivate users to start > >> migrating. Delaying this process could ironically mean users have less > time > >> to prepare for it. > >> > >> > >> Ingo > >> > >> On Tue, Nov 23, 2021 at 8:54 AM Matthias Pohl <matth...@ververica.com> > >> > >> wrote: > >>> Thanks for constantly driving these maintenance topics, Chesnay. +1 > from > >>> my > >>> side for deprecating Java 8. I see the point Jingsong is raising. But I > >>> agree with what David already said here. Deprecating the Java version > is a > >>> tool to make users aware of it (same as starting this discussion > thread). > >>> If there's no major opposition against deprecating it in the community > we > >>> should move forward in this regard to make the users who do not > >>> regularly browse the mailing list aware of it. That said, deprecating > Java > >>> 8 in 1.15 does not necessarily mean that it is dropped in 1.16. > >>> > >>> Best, > >>> Matthias > >>> > >>> On Tue, Nov 23, 2021 at 8:46 AM David Morávek <d...@apache.org> wrote: > >>>> Thank you Chesnay for starting the discussion! This will generate bit > of > >>> a > >>> > >>>> work for some users, but it's a good thing to keep moving the project > >>>> forward. Big +1 for this. > >>>> > >>>> Jingsong: > >>>> > >>>> Receiving this signal, the user may be unhappy because his application > >>>> > >>>>> may be all on Java 8. Upgrading is a big job, after all, many systems > >>>>> have not been upgraded yet. (Like you said, HBase and Hive) > >>>> The whole point of deprecation is to raise awareness, that this will > be > >>>> happening eventually and users should take some steps to address this > in > >>>> medium-term. If I understand Chesnay correctly, we'd still keep Java 8 > >>>> around for quite some time to give users enough time to upgrade, but > >>>> without raising awareness we'd fight the very same argument later in > >>> time. > >>> > >>>> All of the prerequisites from 3rd party projects for both HBase [1] > and > >>>> Hive [2] to fully support Java 11 have been completed, so the ball is > on > >>>> their side and there doesn't seem to be much activity. Generating bit > >>> more > >>> > >>>> pressure on these efforts might be a good thing. > >>>> > >>>> It would be great to identify some of these users and learn bit more > >>> about > >>> > >>>> their situation. Are they keeping up with latest Flink developments or > >>> are > >>> > >>>> they lagging behind (this would also give them way more time for > >>>> eventual > >>>> upgrade)? > >>>> > >>>> [1] https://issues.apache.org/jira/browse/HBASE-22972 > >>>> [2] https://issues.apache.org/jira/browse/HIVE-22415 > >>>> > >>>> Best, > >>>> D. > >>>> > >>>> On Tue, Nov 23, 2021 at 3:08 AM Jingsong Li <jingsongl...@gmail.com> > >>>> > >>>> wrote: > >>>>> Hi Chesnay, > >>>>> > >>>>> Thanks for bringing this for discussion. > >>>>> > >>>>> We should dig deeper into the current Java version of Flink users. At > >>>>> least make sure Java 8 is not a mainstream version. > >>>>> > >>>>> Receiving this signal, the user may be unhappy because his > application > >>>>> may be all on Java 8. Upgrading is a big job, after all, many systems > >>>>> have not been upgraded yet. (Like you said, HBase and Hive) > >>>>> > >>>>> In my opinion, it is too early to deprecate support for Java 8. We > >>>>> should wait for a safer point in time. > >>>>> > >>>>> On Mon, Nov 22, 2021 at 11:45 PM Ingo Bürk <i...@ververica.com> > wrote: > >>>>>> Hi, > >>>>>> > >>>>>> also a +1 from me because of everything Chesnay already said. > >>>>>> > >>>>>> > >>>>>> Ingo > >>>>>> > >>>>>> On Mon, Nov 22, 2021 at 4:41 PM Martijn Visser < > >>> mart...@ververica.com> > > >
