* Christopher <ctubbsii-fedora@xxxxxxxxxx> [2014-10-31 11:37]: > On Fri, Oct 31, 2014 at 5:35 AM, Mat Booth <fedora@xxxxxxxxxxxxxx> wrote: > > On 31 October 2014 08:18, Max Rydahl Andersen <manderse@xxxxxxxxxx> wrote: > > > Fedora 20 used to have 3 different Java versions (5, 7, 8). > > > ok, why no Java 6 ? > > > Besides many technical reason the biggest one is non-technical in > my eyes - no one volunteered to do it. You know it's always a > matter of "who will do the work?". I'm pretty sure that if someone > jumps in and say "Hey, I'll maintain Java 6, fix problems/adopt > Java 6 to changes in the OS if neeeded, help strengthen the > switching between JREs, go through the Java projects(shipped in > Fedora) and help them properly set their targets in build scripts > so builds properly work on Java 6 and etc" there will be no > objection to having Java 6. :) > > > Fair enough. > > > OpenJDK 7 > was removed from F21 because its support will end before > F21 EOL and > we > don't want to ship software not supported by upstream. > > > So for users most stable thing is to use Oracle JDK builds > instead which > are and will stay available ? > > > Users can still try to use it but it's something that they have to > do on their own - download, extract, set PATH, etc. Just like on > every platform with Oracle JVM. > > > Yeah, this is similar experience for developers on all other platforms > so its expected/assumed. > > > No separate repo with "binaries that is currently supported but > will not > stay supported for all of fedora 21 lifetime" ? > > > 1. Fedora can not legally redistribute Oracle JDK. > > > I know - hence why I would think having a openjdk 7 build would make > sense. > > > 2. Fedora can not distribute something that Fedora developers can > not support if there is a problem in it (as it is with Oracle JDK). > > > so *any* package that is known to be marked as EOL sometime in the > future before the upcoming Fedora EOL's gets removed from that future > Fedora release ? Even that Java 7 is still the most used and targeted > Java version ? > > > > Maybe I misunderstand the use-case, but your projects can still target Java > 7 even if Eclipse is running on Java 8. > > > > That's not entirely true. This only works if a true JDK7 exists on the system. > While newer JDKs are able to target older runtimes, there are cases where one > can introduce source-incompatible changes that work in a newer JDK, but not in > an older JDK. This matters for collaborating on projects where some team > members are not using the newer JDK to target the older runtime. For instance, > this happened with JDK7/JDK6 on my team... JDK7 allows certain use of generics > syntax that properly compiles to JDK6 target, and validates in Eclipse as JDK6 > source-compatible, but the actual JDK6 compiler treats as an error. I had to > abandon my use of Fedora 20 as a development environment for our project, and > revert to CentOS6 in order to guarantee I wasn't introducing source that was > incompatible with JDK6. Not making older JDKs (even stale ones) available is > likely to discourage Java developers from using Fedora as a development > platform. > This is a bug -- did you file it with us? If so, what was the conclusion? If -target 1.6 was specified, it should have been able to run it on 6 without issues and any problems encountered are certainly bugs. Deepak > Personally, unlike the original poster, I don't care which JVM Eclipse is > running on, itself (OpenJDK 8, or whatever is latest, works for me). But, I do > care about which JDKs are available on the system that Eclipse can launch to > build projects, because that affects whether I can use Fedora as my development > platform on team projects where some team members are using older JDKs (which > should be fine, until the project bumps its minimum JVM dependency). > > -- > java-devel mailing list > java-devel@xxxxxxxxxxxxxxxxxxxxxxx > https://admin.fedoraproject.org/mailman/listinfo/java-devel -- java-devel mailing list java-devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/java-devel
