+1 nb On Jul 23, 2013 4:00 PM, "Stephen Connolly" <stephen.alan.conno...@gmail.com> wrote:
> This vote is to cover the minimum required version of Java for Maven Core. > > Maven Plugins produced by the Apache Maven Project that are flagged as > compatible with older versions of Maven Core as their baseline will still > require to stick to the minimum Java requirements of that Maven Core > version. In other words, if for example maven-compiler-plugin advertises > compatibility with Maven Core 2.0.11+ then that will still need to be > compiled targeting Java 1.4 and only using dependencies that are aligned > with that runtime requirement. > > Additionally patch releases to existing releases of Maven Core will not be > subject to this requirement. > > For example [example]*if* this vote passes and *if* on Sep 29th we release > Maven 3.2.0 and *if* on Oct 2nd we release Maven 2.0.12, Maven 2.2.2, Maven > 3.0.6, Maven 3.1.1, Maven 3.2.1 and Maven 3.3.0 (due to say some security > issue that affected all versions of Maven) then only Maven 3.3.0 would be > require Java 6 as a minimum runtime requirement, the 2.0.12 release would > still require Java 1.4 and the 2.2.2, 3.0.6, 3.1.1 and 3.2.1 versions would > all still require Java 1.5.[/example] > > This is not a requirement that 3rd party plugins need use Java 6 as a > minimum. Third party plugins are free to require any Java version >= the > corresponding Maven minimum requirement, though obviously from a users > perspective it is best if plugins try to adhere to our contracts for > corresponding versions of Maven Core. > > Justification for the cut-off date: > > * Oracle has gone end of life on Java 6 Feb 2013 (note that there is still > extended and sustaining support for existing Oracle customers using Java 5) > * IBM will go end of life for z/OS on 30th Sep 2013 (other platforms are > still with support, but there are other Java vendors for other platforms) > * Apple no longer supports any hardware that does not have at least an > Apple Java 6 version available. > * Red Hat is providing support for OpenJDK 6 > * HP-UX, OpenVMS, and Tru64 all have a Java 6 implementation available. > > As I see it, that essentially ensures that for the vast majority of > platforms there is a very strong likelihood of a Java 6 compatible version > of Java available for that platform. Toolchains support or forking of the > compiler and surefire can provide support for users who still need to build > with older versions of Java (e.g., as was the case for Java 1.4.2 with > Maven 2.2.1). Additionally users who are forced to use a java version older > than Java 6 also are likely unable to upgrade their version of Maven, so > this change will not affect them > > This vote is open for 72 hours. A minimum of three +1 binding votes (i.e. > from the PMC) and the majority of votes cast from committers will be > required to pass this vote. > > +1000: Yes, and when can we have the vote to go for Java 7 as a minimum? > (This option is equivalent to +1 but provides people the ability to > indicate an additional preference while not contributing to the inevitible > noise) > +1: Yes > 0: No opinion > -1: No > > -Stephen >