We're not using Java 7 anymore from last year already. So +1 to upgrade to java 8 from Okkam
On 8 Jun 2017 5:39 pm, "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# > [2] https://issues.apache.org/jira/browse/FLINK-5989 > [3] https://issues.apache.org/jira/browse/FLINK-3211?focused > CommentId=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> 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> >> 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> 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> >>>> 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> >>>> 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> >>>>> wrote: >>>>> >>>>>> I've put it also on our Twitter account: >>>>>> https://twitter.com/ApacheFlink/status/842015062667755521 >>>>>> >>>>>> On Wed, Mar 15, 2017 at 2:19 PM, Martin Neumann <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 >>>>>> > (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> >>>>>> > Sent: Wednesday, March 15, 2017 12:30:24 PM >>>>>> > To: u...@flink.apache.org; 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 >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> >>>>> >>>>> >>>> >>>> >>> >> >