[hibernate-dev] [OGM] WildFly modules imposing versions

[Sanne Grinovero]

Hibernate Search was meant to be an *optional* dependency of Hibernate OGM core:
 - org.hibernate.ogm.cfg.impl.HibernateSearchIntegration.searchIsAvailable()

However there's an import statement which slipped into the
OgmEntityPersister, just for the sake of javadoc linking. I'm not sure
if that might be a problem, but it could be worth making sure we
compile all OGM core w/o Search on the classpath.

So that's about *real* runtime requirements.

For modules it depends on the module descriptors:

the `org.hibernate.ogm` module has an *optional* dependency to the
Hibernate Search module, so not having the module should be fine.

However, there is a non-official[1] Hibernate Search module included
in the OGM distribution, so you should have the right module already.

Also remember that JipiJapa might automatically include the Hibernate
Search "main" slot from WildFly. AFAIK this should only happen if any
entity is marked @Indexed - so it shouldn't affect you since you're
not using it, but I never tested for the not-include requirement. You
might want to exclude the WildFly copy Hibernate Search explicitly by
setting:

 - wildfly.jpa.hibernate.search.module=none

or set it to the OGM specific module.

 - wildfly.jpa.hibernate.search.module=org.hibernate.search.orm:5.6.1.Final-orm51

[1] "non-official" as in that's not the Hibernate Search module
released by the Hibernate Search project, it's a re-packaging which
happens during the OGM build.

> How can we improve things?

I suspect we need to work on JipiJapa, better tests & docs. The main
problems though are caused by the desire of using an ORM version which
is not the one from WildFly, maybe we should just avoid that - or work
with WildFly to make ORM upgrades easier.


On 7 March 2017 at 09:43, Emmanuel Bernard <emmanuel at hibernate.org> wrote:
> I’ve upgraded the OGM demo to OGM 5.1 Final (from CR1).
>
> Again I’ve got deployment errors because it does not find the specific search version: 5.6.1.Final. I had 5.6.0.Final in my WF module deployment.
> Is that the behavior we want? Do we want the OGM module to impose specific versions of Hibernate Search to work? I don’t even use Hibernate Search for the demo…
>
> How can we improve things?
>
> Emmanuel
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