[hibernate-dev] JPA 2.1 API compiled with JDK 7!?

[Gunnar Morling]

> 1) JPA 2.1 is part of EE 7 which requires SE 7

But couldn't JPA 2.1 be used in 1.6 SE environments? I guess there'd be
users doing this. Also if 1.6 is reaching its EOL there are lots of people
still using it. In BV the situation is similar, it is part of the EE 7 API,
but the BV spec (and thus HV) requires only 1.6.

> And see the discussion that took place on this list over a year ago
about O/RM and the Java 6 javac bug

I don't know the details, but could this maybe circumvented by compiling
with javac 1.7, but using 1.6 as target level for the generated class files?

All in all I think requiring only 1.6 is very beneficial for the adoption
of an API.

--Gunnar


2013/2/25 Steve Ebersole <steve at hibernate.org>

> Was not really a conscious decision, but keep in mind that:
> 1) JPA 2.1 is part of EE 7 which requires SE 7
> 2) Oracle Java SE 6 is past any support.
>
> And see the discussion that took place on this list over a year ago
> about O/RM and the Java 6 javac bug
>
> On 02/25/2013 04:07 AM, Hardy Ferentschik wrote:
> > Hi,
> >
> > when trying to use
> >
> > <dependency>
> >    <groupId>org.hibernate.javax.persistence</groupId>
> >    <artifactId>hibernate-jpa-2.1-api</artifactId>
> >    <version>1.0.0.Draft-10</version>
> > </dependency>
> >
> > in Hibernate Validator I get an UnsupportedClassVersionError.
> > Seems the API is compiled with JDK 7, which causes problems in the HV
> build.
> > Is the use of Java 7 intentional for the JPA API? I don't think it is
> required, right?
> >
> > --Hardy
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