[infinispan-dev] JPA & OSGi.. still a long way to go.

[Galder Zamarreño]

On 21 Jul 2014, at 17:03, Sanne Grinovero <sanne at infinispan.org> wrote:

> Hi all,
> I just noticed that "ISPN-4276 - Make JPA cache store work in Karaf"
> was resolved.
> 
> I trust that a single instance might work now, but we need to take
> into considerations some limitations of running Hibernate in OSGi, in
> particular the caveats documented here:
> 
> http://docs.jboss.org/hibernate/orm/4.2/devguide/en-US/html/ch17.html#d5e5021
> 
> The classloader being overriden by an OSGi deployment, it overrides a
> static which affects all instances of Hibernate running in a specified
> classloader. This is meant to be fixed in Hibernate ORM 5.0.
> 
> Considering that a JPACacheStore can handle a single entity, and
> consequentially we need to suggest users to use a separate Cache for
> each type - but you can't give this suggestion when running in Karaf
> so "work in Karaf" is still needing some love unless we intend to
> resolve only the single Cache - single type use case.
> 
> This is in addition of the functional limitations (like no support for
> relations) that we already discussed in a different context: in OSGi,
> you can't run more than one JPACacheStore currently.
> 
> Where should these limitations be tracked?

In the JIRA itself so that this is noted in documentation? Ion’s assigned to it.

> 
> -- Sanne
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--
Galder Zamarreño
galder at redhat.com
twitter.com/galderz