+1 for droppint Java 7, we have been using Java 8 for more than one year in Alibaba and everything work fine.
Best, Kurt On Thu, Jul 13, 2017 at 2:53 AM, Bowen Li <bowen...@offerupnow.com> wrote: > +1 for dropping Java 7 > > On Wed, Jul 12, 2017 at 9:04 AM, Gyula Fóra <gyula.f...@gmail.com> wrote: > > > +1 for dropping 1.7 from me as well. > > > > Gyula > > > > On Wed, Jul 12, 2017, 17:53 Ted Yu <yuzhih...@gmail.com> wrote: > > > > > +1 on dropping support for Java 1.7 > > > > > > -------- Original message -------- > > > From: Robert Metzger <rmetz...@apache.org> > > > Date: 7/12/17 8:36 AM (GMT-08:00) > > > To: dev@flink.apache.org > > > Cc: user <u...@flink.apache.org> > > > Subject: Re: [POLL] Who still uses Java 7 with Flink ? > > > > > > +1 to drop Java 7 support > > > > > > I believe that we can move to Java 8 for the argument you've stated. > > > ElasticSearch 5, Spark 2.2 require Java 8 already, Hadoop 3.0.0 will > > > require it as well. > > > > > > On Wed, Jul 12, 2017 at 4:02 PM, Driesprong, Fokko > <fo...@driesprong.frl > > > > > > wrote: > > > > > >> Hi, > > >> > > >> I would be in favor of dropping Java 7 as we don't use it in our > hadoop > > >> infra (and we are a bank). Also, Spark 2.2 has been released today, > > >> which doesn't > > >> support Java 7 <http://spark.apache.org/releases/spark-release-2-2-0. > > html > > >> > > > >> anymore, and Flink should not lack behind :-) > > >> > > >> Cheers, Fokko > > >> > > >> 2017-07-12 15:56 GMT+02:00 Stephan Ewen <se...@apache.org>: > > >> > > >> > Bumping this thread again. > > >> > > > >> > There are several strong points for dropping Java 7 support, apart > > from > > >> the > > >> > fact that it is not maintained > > >> > > > >> > - We could really use the Java 8 default methods feature in > > >> interfaces to > > >> > evolve the API without breaking backwards compatibility > > >> > > > >> > - Easier build setup for Scala 2.12 (which requires Java 8), no > need > > >> to > > >> > manage the tricky combinations of Java / Scala versions > > >> > > > >> > - Ability to use vanilla Akka (rather than Flakka) which requires > > >> Java 8. > > >> > - Fewer problems for users that use Akka in the Flink > applications > > >> > - Flakka currently does not support Scala 2.12 > > >> > - Newer Akka versions shade protobuf, which is important > > >> > > > >> > I think these together make a pretty good case for bumping the > > required > > >> > Java version to Java 8. > > >> > > > >> > It would just help both Flink users (dependency management, Scala > > >> versions) > > >> > and developers (build simplification) a lot. > > >> > Unless we see users stepping forward and making a case that it will > be > > >> > impossible for them to upgrade to Java 8, I suggest to go forward > with > > >> > this. > > >> > > > >> > Best, > > >> > Stephan > > >> > > > >> > > > >> > > > >> > On Thu, Jun 8, 2017 at 9:36 PM, Haohui Mai <ricet...@gmail.com> > > wrote: > > >> > > > >> > > +1 > > >> > > > > >> > > There are several high impacts security vulnerabilities in JDK 7 > and > > >> will > > >> > > not be addressed. > > >> > > > > >> > > As a result we completely moved away from JDK 7. > > >> > > > > >> > > +1 on separating the tasks of supporting Scala 2.12 and JDK 8 in > two > > >> > steps. > > >> > > > > >> > > > > >> > > On Thu, Jun 8, 2017 at 9:53 AM Greg Hogan <c...@greghogan.com> > > wrote: > > >> > > > > >> > > > Is this not two different issues? > > >> > > > - adding builds for Scala 2.12 > > >> > > > - upgrading to Java version 1.8 > > >> > > > > > >> > > > It may be time to switch, but I haven’t seen anything in > > FLINK-5005 > > >> > which > > >> > > > prevents simply adding Scala 2.12 to our supported build matrix > > and > > >> > > > continuing to build 2.10 / 2.11 against Java 1.7. > > >> > > > > > >> > > > Greg > > >> > > > > > >> > > > > > >> > > > > On Jun 8, 2017, at 11:39 AM, Robert Metzger < > > rmetz...@apache.org> > > >> > > wrote: > > >> > > > > > > >> > > > > Hi all, > > >> > > > > > > >> > > > > as promised in March, I want to revive this discussion! > > >> > > > > > > >> > > > > Our users are begging for Scala 2.12 support [1], migration to > > >> Akka > > >> > 2.4 > > >> > > > would solve a bunch of shading / dependency issues (Akka 2.4 > will > > >> > remove > > >> > > > Akka's protobuf dependency [2][3]) and generally Java 8's new > > >> language > > >> > > > features all speak for dropping Java 7. > > >> > > > > > > >> > > > > Java 8 has been released in March, 2014. Java 7 is unsupported > > >> since > > >> > > > June 2016. > > >> > > > > > > >> > > > > So what's the feeling in the community regarding the step? > > >> > > > > > > >> > > > > > > >> > > > > [1] https://issues.apache.org/jira/browse/FLINK-5005# < > > >> > > > https://issues.apache.org/jira/browse/FLINK-5005#> > > >> > > > > [2] https://issues.apache.org/jira/browse/FLINK-5989 < > > >> > > > https://issues.apache.org/jira/browse/FLINK-5989> > > >> > > > > [3] > > >> > > > https://issues.apache.org/jira/browse/FLINK-3211? > > >> > > focusedCommentId=15274018&page=com.atlassian.jira. > > >> > > plugin.system.issuetabpanels:comment-tabpanel#comment-15274018 > > >> > > > < > > >> > > > https://issues.apache.org/jira/browse/FLINK-3211? > > >> > > focusedCommentId=15274018&page=com.atlassian.jira. > > >> > > plugin.system.issuetabpanels:comment-tabpanel#comment-15274018 > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > On Thu, Mar 23, 2017 at 2:42 PM, Theodore Vasiloudis < > > >> > > > theodoros.vasilou...@gmail.com <mailto: > > >> theodoros.vasilou...@gmail.com > > >> > >> > > >> > > > wrote: > > >> > > > > Hello all, > > >> > > > > > > >> > > > > I'm sure you've considered this already, but what this data > does > > >> not > > >> > > > include is all the potential future users, > > >> > > > > i.e. slower moving organizations (banks etc.) which could be > on > > >> Java > > >> > 7 > > >> > > > still. > > >> > > > > > > >> > > > > Whether those are relevant is up for debate. > > >> > > > > > > >> > > > > Cheers, > > >> > > > > Theo > > >> > > > > > > >> > > > > On Thu, Mar 23, 2017 at 12:14 PM, Robert Metzger < > > >> > rmetz...@apache.org > > >> > > > <mailto:rmetz...@apache.org>> wrote: > > >> > > > > Yeah, you are right :) > > >> > > > > I'll put something in my calendar for end of May. > > >> > > > > > > >> > > > > On Thu, Mar 23, 2017 at 12:12 PM, Greg Hogan < > > c...@greghogan.com > > >> > > > <mailto:c...@greghogan.com>> wrote: > > >> > > > > Robert, > > >> > > > > > > >> > > > > Thanks for the report. Shouldn’t we be revisiting this > decision > > at > > >> > the > > >> > > > beginning of the new release cycle rather than near the end? > There > > >> is > > >> > > > currently little cost to staying with Java 7 since no Flink code > > or > > >> > pull > > >> > > > requests have been written for Java 8. > > >> > > > > > > >> > > > > Greg > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > >> On Mar 23, 2017, at 6:37 AM, Robert Metzger < > > rmetz...@apache.org > > >> > > > <mailto:rmetz...@apache.org>> wrote: > > >> > > > >> > > >> > > > >> Looks like 9% on twitter and 24% on the mailing list are > still > > >> using > > >> > > > Java 7. > > >> > > > >> > > >> > > > >> I would vote to keep supporting Java 7 for Flink 1.3 and then > > >> > revisit > > >> > > > once we are approaching 1.4 in September. > > >> > > > >> > > >> > > > >> On Thu, Mar 16, 2017 at 8:00 AM, Bowen Li < > > >> bowen...@offerupnow.com > > >> > > > <mailto:bowen...@offerupnow.com>> wrote: > > >> > > > >> There's always a tradeoff we need to make. I'm in favor of > > >> upgrading > > >> > > to > > >> > > > Java 8 to bring in all new Java features. > > >> > > > >> > > >> > > > >> The common way I've seen (and I agree) other software > upgrading > > >> > major > > >> > > > things like this is 1) upgrade for next big release without > > backward > > >> > > > compatibility and notify everyone 2) maintain and patch current, > > >> > old-tech > > >> > > > compatible version at a reasonably limited scope. Building > > backward > > >> > > > compatibility is too much for an open sourced project > > >> > > > >> > > >> > > > >> > > >> > > > >> > > >> > > > >> On Wed, Mar 15, 2017 at 7:10 AM, Robert Metzger < > > >> > rmetz...@apache.org > > >> > > > <mailto:rmetz...@apache.org>> wrote: > > >> > > > >> I've put it also on our Twitter account: > > >> > > > >> https://twitter.com/ApacheFlink/status/842015062667755521 < > > >> > > > https://twitter.com/ApacheFlink/status/842015062667755521> > > >> > > > >> > > >> > > > >> On Wed, Mar 15, 2017 at 2:19 PM, Martin Neumann < > > >> > martin.neum...@ri.se > > >> > > > <mailto:martin.neum...@ri.se>> > > >> > > > >> wrote: > > >> > > > >> > > >> > > > >> > I think this easier done in a straw poll than in an email > > >> > > > conversation. > > >> > > > >> > I created one at: http://www.strawpoll.me/12535073 < > > >> > > > http://www.strawpoll.me/12535073> > > >> > > > >> > (Note that you have multiple choices.) > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > Though I prefer Java 8 most of the time I have to work on > > Java > > >> 7. > > >> > A > > >> > > > lot of > > >> > > > >> > the infrastructure I work on still runs Java 7, one of the > > >> > > companies I > > >> > > > >> > build a prototype for a while back just updated to Java 7 2 > > >> years > > >> > > > ago. I > > >> > > > >> > doubt we can ditch Java 7 support any time soon if we want > to > > >> make > > >> > > it > > >> > > > easy > > >> > > > >> > for companies to use Flink. > > >> > > > >> > > > >> > > > >> > cheers Martin > > >> > > > >> > > > >> > > > >> > //PS sorry if this gets sent twice, we just migrated to a > new > > >> mail > > >> > > > system > > >> > > > >> > and a lot of things are broken > > >> > > > >> > > > >> > > > >> > ________________________________ > > >> > > > >> > From: Stephan Ewen <se...@apache.org <mailto: > > se...@apache.org > > >> >> > > >> > > > >> > Sent: Wednesday, March 15, 2017 12:30:24 PM > > >> > > > >> > To: u...@flink.apache.org <mailto:u...@flink.apache.org>; > > >> > > > dev@flink.apache.org <mailto:dev@flink.apache.org> > > >> > > > >> > Subject: [POLL] Who still uses Java 7 with Flink ? > > >> > > > >> > > > >> > > > >> > Hi all! > > >> > > > >> > > > >> > > > >> > I would like to get a feeling how much Java 7 is still > being > > >> used > > >> > > > among > > >> > > > >> > Flink users. > > >> > > > >> > > > >> > > > >> > At some point, it would be great to drop Java 7 support and > > >> make > > >> > use > > >> > > > of > > >> > > > >> > Java 8's new features, but first we would need to get a > > feeling > > >> > how > > >> > > > much > > >> > > > >> > Java 7 is still used. > > >> > > > >> > > > >> > > > >> > Would be happy if users on Java 7 respond here, or even > users > > >> that > > >> > > > have > > >> > > > >> > some insights into how widespread they think Java 7 still > is. > > >> > > > >> > > > >> > > > >> > Thanks, > > >> > > > >> > Stephan > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > > >> > > >> > > > >> > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > > >> > > > > > >> > > > > > >> > > > > >> > > > >> > > > > > > > > >
