[hibernate-dev] Java 6, 7 and 8... oh my!

[Steve Ebersole]

Baseline on Java 8?  Hmm... Well thanks for tempting me :)

What do you mean by "be able to experiment with significant API
improvements"?

On Tue, Mar 31, 2015 at 7:18 PM, Sanne Grinovero <sanne at hibernate.org>
wrote:

> I wouldn't disagree on requiring Java 7.
> I probably wouldn't disagree with Java 8 either, after all we're not
> removing older versions of Hibernate from any download location and
> we'll still support and maintain some older versions. It would
> actually be nice to have the latest ORM version to be able to
> experiment with significant API improvements.
>
> FYI Hibernate Search is requiring Java 7 already, and our CI servers
> are already testing our projects with JDK9 as well.
>
> That said, Java 6 is still being supported by some vendors. Not by
> Oracle, but Red Hat and SAP will support it for much longer.
>
> -- Sanne
>
> On 1 April 2015 at 01:04, Steve Ebersole <steve at hibernate.org> wrote:
> > So we now have to deal with a multi-jdk build in Hibernate ORM.  We need
> > Java 8 in order to compile the new hibernate-java8 module.
> >
> > I wanted to remain compatible with Java 6 for the rest.  However, I ran
> > into a snag there because of JAXB which we now use (in conjunction with
> > StAX) to process XML in ORM.  ANyway, the JAX generation creates a model
> > that is only compatible with Java 7.  I have not yet had time to
> > investigate this deeply.  But it has to do with a change in the
> definition
> > of javax.xml.bind.annotation.XmlElement and a change in its definition
> > between 1.6 and 1.7 to add a new
> > attribute javax.xml.bind.annotation.XmlElement#required.
> >
> > If anyone is familiar with this situation, I'd love to hear some options
> > before I spend a lot of time investigating it.
> >
> > The other option is that we say we are going to drop Java 6 support since
> > it has been unsupported now for, what, 3 years?
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