LGTM, with one suggestion: when discussing point [4] modules, maybe use the 
terms "JPMS" or Jigsaw or "new Java Platform Module System" or something to be 
very explicit. Some folks pay closer attention than others to "the state of the 
Java" and it may not be obvious to some what we mean .

ajs6f

> On Feb 11, 2018, at 1:39 PM, Andy Seaborne <a...@apache.org> wrote:
> 
> I thought that some text about the status of Jena and Java9 would be useful 
> to users@ to state the current state. This could go in the 3.7.0 release 
> notes.
> 
>    Andy
> 
> DRAFT:: For discussion
> 
> -----------------------------
> Java8 is the current LTS version of Java and receives security updates. The 
> next LTS is Java11. [Sched]
> 
> [Sched] http://www.oracle.com/technetwork/java/eol-135779.html
> 
> There are different cases for running with Java9:
> 
> [1] Run on a Java9 JVM
> [2] Build using Java9 JDK, output Java8 classfiles.
> [3] Java9 required - language features and runtime library
> [4] Java9 modules
> 
> 
> [1] at Jena 3.7.0, running with a Java9 platform (except as noted below) is 
> supported.
> 
> [2] at Jena 3.7.0, running maven using Java9 to produce Java8 bytecode is 
> supported (expect as noted).  We now run a Jenkins job daily to check this 
> for the main jars.
> 
> [3] The project has no current plans to require a Java9 language runtime. The 
> language requirement is still Java8.
> 
> [4] Jena jars can work as automatic modules but Jena itself does not provide 
> a "modules" version. Proper migration needs all the dependencies to be 
> modules, and also has implications on the upstream. Contribution and 
> discussions are welcome!
> 
> For discussion and background see
> 
> [A] http://blog.joda.org/2017/05/java-se-9-jpms-automatic-modules.html
> [B] http://blog.joda.org/2017/04/java-se-9-jpms-module-naming.html
> 
> 
> And note: Java 9 is obsolete March 2018, as soon as java10 comes out.
> http://openjdk.java.net/projects/jdk/10/#Schedule
> 
> Notes:
> 
> jena-elephas depends on Hadoop that depends on jdk.tools that is not 
> available in Java9.

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