I could think default methods in interfaces to enable evolving SPIs without breaking BC.
On Fri, Apr 21, 2017 at 4:05 PM, Ralph Goers <ralph.go...@dslextreme.com> wrote: > What features in Java 8 do we need to take advantage of that we haven't > already? > > Sent from my iPhone > > > On Apr 21, 2017, at 12:44 AM, Mikael Ståldal <mikael.stal...@magine.com> > wrote: > > > > I also have a feeling that we focus too much on Java 9 and not enough on > > Java 8. > > > >> On Thu, Apr 20, 2017 at 5:08 AM, Remko Popma <remko.po...@gmail.com> > wrote: > >> > >> I agree with Ralph that there are many environments that can't upgrade > >> their Java version but still want to use the nice features Log4j2 > offers. > >> I've also worked in such environments. I would prefer to support older > >> versions as long as possible. (What that means concretely is open for > >> discussion.) :-) > >> > >> Remko > >> > >> Sent from my iPhone > >> > >>> On Apr 20, 2017, at 11:32, Matt Sicker <boa...@gmail.com> wrote: > >>> > >>> I just want a plan for when we upgrade. Log4j is such low level code > that > >>> it's not a big deal to me for using Java 8 syntax. I'm mostly > interested > >> in > >>> supporting the v8 APIs, and Spring has an interesting way of doing > that. > >>> > >>> On Wed, Apr 19, 2017 at 18:01, Ralph Goers <ralph.go...@dslextreme.com > > > >>> wrote: > >>> > >>>> I can’t agree to that. See > >>>> https://spring.io/blog/2015/04/01/ongoing-support-for- > >> java-7-and-even-java-6 > >>>> < > >>>> https://spring.io/blog/2015/04/01/ongoing-support-for- > >> java-7-and-even-java-6> > >>>> for Spring’s perspective on this. Log4j is such a fundamental > framework > >>>> that, while we need to support new features in the latest JDK, we also > >> need > >>>> to continue to support older Java releases for as long as is > >> reasonable. I > >>>> know a few of you would always like to be on more current JDKs, but I > >> have > >>>> worked in environments that are very slow to upgrade. In fact, we just > >> got > >>>> a question from someone who is still on 2.2 because they are stuck on > >> Java > >>>> 6. > >>>> > >>>> That said, I am all for discussing what a reasonable timeframe is. I > >> don’t > >>>> think 2022 makes any more sense than dropping support in July. > Whatever > >> we > >>>> decide we should give users at least 6 months notice. > >>>> > >>>> Ralph > >>>> > >>>>> On Apr 19, 2017, at 5:18 PM, Matt Sicker <boa...@gmail.com> wrote: > >>>>> > >>>>> Roadmap wise, I think dropping support for Java 7 when Java 9 comes > out > >>>>> might make sense, though that also depends on where we are > release-wise > >>>> at > >>>>> the time. In the meantime, modularizing the core more and breaking > into > >>>>> more subprojects may help find any desires for a semantically > breaking > >>>>> change for version 3. I don't really see that happening with the API, > >> and > >>>>> I'm not so sure how important it'd be in Core, though they could be > >>>>> versioned separately in theory. > >>>>> > >>>>>> On 19 April 2017 at 12:59, Gary Gregory <garydgreg...@gmail.com> > >> wrote: > >>>>>> > >>>>>> On Wed, Apr 19, 2017 at 10:23 AM, Ralph Goers < > >>>> ralph.go...@dslextreme.com> > >>>>>> wrote: > >>>>>> > >>>>>>> I have no idea what your versions are, but 2.9 is going to contain > >> the > >>>>>>> first support for Java 9, but it will continue to support Java 7. > I > >> am > >>>>>>> assuming your numbering scheme is about what version ONLY supports > a > >>>>>>> particular Java release? I am not in favor of that. With semantic > >>>>>>> versioning the number should only change when the API changes. > Just > >> as > >>>>>> we > >>>>>>> did when we moved from Java 6 to Java 7 we don’t have to increment > >> the > >>>>>>> project version number. > >>>>>>> > >>>>>>> > >>>>>> Yeah, that's why I said I was not in love with the version proposal. > >>>> What I > >>>>>> am really after is a road-map to give our users an idea of what to > >>>> expect. > >>>>>> I suspect a wiki page might be best for that. > >>>>>> > >>>>>> > >>>>>>> I am not worried about hanging on to Java 7 “too long”, so long as > we > >>>>>>> continue to find ways to support new Java features. > >>>>>>> > >>>>>>> I suspect you still have not looked at my branch > >>>> “java9NoMultiRelease”. I > >>>>>>> have been planning on merging that to master but just haven’t find > >> the > >>>>>>> time. If you want to evaluate it before I merge it I suggest again > >> that > >>>>>> you > >>>>>>> have a look. At the moment it only supports StackWalker but it > >> allows > >>>> us > >>>>>>> to start implementing support for Java modules and other Java 9 > >>>> features. > >>>>>>> > >>>>>> > >>>>>> You are correct, I have not looked. > >>>>>> > >>>>>> Gary > >>>>>> > >>>>>> > >>>>>>> > >>>>>>> Ralph > >>>>>>> > >>>>>>>> On Apr 19, 2017, at 10:12 AM, Gary Gregory < > garydgreg...@gmail.com> > >>>>>>> wrote: > >>>>>>>> > >>>>>>>> Hi All, > >>>>>>>> > >>>>>>>> I like projects that have a road-map page. It can be vague or > >> precise. > >>>>>>> But > >>>>>>>> we should at least discuss it here. I am bringing this up partly > in > >>>>>> light > >>>>>>>> of https://issues.apache.org/jira/browse/LOG4J2-1883 > >>>>>>>> > >>>>>>>> How about: > >>>>>>>> > >>>>>>>> v 2.x - Java 7 > >>>>>>>> v 3.x - Java 8 > >>>>>>>> v 4.x - Java 9 > >>>>>>>> > >>>>>>>> Is that too weird? I am not in love with it either. > >>>>>>>> > >>>>>>>> I am just concerned that: > >>>>>>>> > >>>>>>>> - We might hang on to Java 7 a little too long. > >>>>>>>> - We are missing on getting into Java 8. I feel like we are. > (Jetty, > >>>>>>>> Hibernate, Teiid, and others are on Java 8, sure they are higher > >> level > >>>>>>>> pieces but still, the momentum is there.) > >>>>>>>> - Playing with an unreleased Java 9 might bite us with Ralph's > >> double > >>>>>>>> compile (which I'll admit I have not seen ;-) or really know if > >> Java 9 > >>>>>>>> compiled code would end up in our releases (which could bite us or > >>>>>> not.) > >>>>>>>> > >>>>>>>> Thoughts? > >>>>>>>> > >>>>>>>> Gary > >>>>>>>> > >>>>>>>> -- > >>>>>>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org > >>>>>>>> Java Persistence with Hibernate, Second Edition > >>>>>>>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_tl? > >>>>>>> ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&link > >>>>>>> Code=as2&tag=garygregory-20&linkId=cadb800f39946ec62ea2b1af9fe6a2 > b8> > >>>>>>>> > >>>>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l= > >>>>>>> am2&o=1&a=1617290459> > >>>>>>>> JUnit in Action, Second Edition > >>>>>>>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_tl? > >>>>>>> ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&link > >>>>>>> Code=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de4 > >> 18%22> > >>>>>>>> > >>>>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l= > >>>>>>> am2&o=1&a=1935182021> > >>>>>>>> Spring Batch in Action > >>>>>>>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_tl? > >>>>>>> ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&link > >>>>>>> Code=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%7Bli > >>>>>>> nk_id%7D%7D%22%3ESpring+Batch+in+Action> > >>>>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=garygregory-20&l= > >>>>>>> am2&o=1&a=1935182951> > >>>>>>>> Blog: http://garygregory.wordpress.com > >>>>>>>> Home: http://garygregory.com/ > >>>>>>>> Tweet! http://twitter.com/GaryGregory > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>> > >>>>>> > >>>>>> -- > >>>>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org > >>>>>> Java Persistence with Hibernate, Second Edition > >>>>>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_ > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459& > >>>>>> linkCode=as2&tag=garygregory-20&linkId= > cadb800f39946ec62ea2b1af9fe6a2 > >> b8> > >>>>>> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t= > >> garygregory-20&l=am2&o=1&a= > >>>>>> 1617290459> > >>>>>> JUnit in Action, Second Edition > >>>>>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_ > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021& > >>>>>> > >>>> linkCode=as2&tag=garygregory-20&linkId=31ecd1f6b6d1eaf8886ac902a24de4 > >> 18%22 > >>>>>>> > >>>>>> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t= > >> garygregory-20&l=am2&o=1&a= > >>>>>> 1935182021> > >>>>>> Spring Batch in Action > >>>>>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_ > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951& > >>>>>> linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B% > >>>>>> 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t= > >> garygregory-20&l=am2&o=1&a= > >>>>>> 1935182951> > >>>>>> Blog: http://garygregory.wordpress.com > >>>>>> Home: http://garygregory.com/ > >>>>>> Tweet! http://twitter.com/GaryGregory > >>>>>> > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> Matt Sicker <boa...@gmail.com> > >>>> > >>>> -- > >>> Matt Sicker <boa...@gmail.com> > >> > > > > > > > > -- > > [image: MagineTV] > > > > *Mikael Ståldal* > > Senior software developer > > > > *Magine TV* > > mikael.stal...@magine.com > > Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com > > > > Privileged and/or Confidential Information may be contained in this > > message. If you are not the addressee indicated in this message > > (or responsible for delivery of the message to such a person), you may > not > > copy or deliver this message to anyone. In such case, > > you should destroy this message and kindly notify the sender by reply > > email. > > > -- [image: MagineTV] *Mikael Ståldal* Senior software developer *Magine TV* mikael.stal...@magine.com Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com Privileged and/or Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such a person), you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply email.
