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From Kurt Young <ykt...@gmail.com>
Subject Re: [POLL] Who still uses Java 7 with Flink ?
Date Thu, 13 Jul 2017 01:10:08 GMT
+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.li@offerupnow.com> wrote:

> +1 for dropping Java 7
>
> On Wed, Jul 12, 2017 at 9:04 AM, Gyula Fóra <gyula.fora@gmail.com> wrote:
>
> > +1 for dropping 1.7 from me as well.
> >
> > Gyula
> >
> > On Wed, Jul 12, 2017, 17:53 Ted Yu <yuzhihong@gmail.com> wrote:
> >
> > > +1 on dropping support for Java 1.7
> > >
> > > -------- Original message --------
> > > From: Robert Metzger <rmetzger@apache.org>
> > > Date: 7/12/17 8:36 AM (GMT-08:00)
> > > To: dev@flink.apache.org
> > > Cc: user <user@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
> <fokko@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 <sewen@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 <ricetons@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 <code@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 <
> > rmetzger@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.vasiloudis@gmail.com <mailto:
> > >> theodoros.vasiloudis@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 <
> > >> > rmetzger@apache.org
> > >> > > > <mailto:rmetzger@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 <
> > code@greghogan.com
> > >> > > > <mailto:code@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 <
> > rmetzger@apache.org
> > >> > > > <mailto:rmetzger@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.li@offerupnow.com
> > >> > > > <mailto:bowen.li@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
<
> > >> > rmetzger@apache.org
> > >> > > > <mailto:rmetzger@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.neumann@ri.se
> > >> > > > <mailto:martin.neumann@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 <sewen@apache.org <mailto:
> > sewen@apache.org
> > >> >>
> > >> > > > >> > Sent: Wednesday, March 15, 2017 12:30:24 PM
> > >> > > > >> > To: user@flink.apache.org <mailto:user@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
> > >> > > > >> >
> > >> > > > >> >
> > >> > > > >> >
> > >> > > > >> >
> > >> > > > >> >
> > >> > > > >>
> > >> > > > >>
> > >> > > > >
> > >> > > > >
> > >> > > > >
> > >> > > > >
> > >> > > >
> > >> > > >
> > >> > >
> > >> >
> > >>
> > >
> > >
> >
>

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