[hibernate-dev] Hibernate Search 5 compatible with Hibernate ORM 4?

Sanne Grinovero sanne at hibernate.org
Fri May 8 09:10:20 EDT 2015

An ANT user on the forums got in trouble several times, first with
Lucene versions vs Hibernate Search, then fixed that he upgraded ORM
to 5 as well to align with Search 5 only to see Validator blow up at


I'm thinking if we should invest a little time in developing a way to
detect a non-compatible version on classpath. We obviously can't make
that perfect as projects can't know the future, but we could get a
decent error message for the most common mistakes, for example major

What about the Hibernate ORM 'Integrator' mechanism to have a way to
define for example:
 - expected ranges of ORM which *should* work (based on our
major.minor conventions)
 - expected versions which definitely work (being tested and released with)
 - some kind of blacklist capability to list specific versions (or
ranges) which are known to definitely not work

This could be for example an annotation we use on our Integrator

Not aiming at a perfect solution of course - but it's better than
nothing. The open question is if this is worth our time, but maybe
it's an easy improvement?

-- Sanne

On 29 April 2015 at 13:00, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
> Yes I think a 5.x supporting ORM 5 would be my preference. I sort of remember us discussing that option in AMS.
>> On 29 Apr 2015, at 12:42, Sanne Grinovero <sanne at hibernate.org> wrote:
>> Ok so we have all been wrong, but also we couldn't wait.
>> Looking forward, does this mean you'd prefer to upgrade to ORM 5 in a
>> minor version of Hibernate Search?
>> Sanne
>> On 29 April 2015 at 10:07, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
>>> I liked and still do like the planet alignment to make the major a platform signal. But when we discussed it, you all were against me.
>>>> On 22 Apr 2015, at 10:41, Sanne Grinovero <sanne at hibernate.org> wrote:
>>>> Just a heads up: I'm not seeing the question from the subject often enough.
>>>> In fact, I only see it when I suggest to upgrade when helping some
>>>> user. It's like they are very surprised "no way, I didn't think that
>>>> was possible?!"
>>>> I think I've been hammering this information in each and every release
>>>> blog, but apparently an assumption on major versions needing to be
>>>> aligned is stronger.
>>>> I guess we should embrace that? We can upgrade a minor of Hibernate
>>>> Search to use Hibernate ORM 5 when it comes, that will fix the
>>>> alignment of planets.
>>>> Still, we also had hopes for a quick version 6 ..
>>>> Just some thoughts.
>>>> Thanks,
>>>> Sanne
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