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=cadb800f39946ec62ea2b1af9fe6a2b8>
>>>>>>>> 
>>>>>>>> <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.


Reply via email to