+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 > >> > > >> > > >> > > >> > > >> > > >> > >> > > > > > > > > > >