[rules-users] Drools 6 and OSGi

[Mark Proctor]

There was a lot of OSGi fixes in 6.0.1, aimed at the karat container. However not all modules are migrated, as it’s a work in progress. I don’t know which currently are or are not, I’m cc’ing in the developer behind this to answer.

Mark
On 31 Mar 2014, at 16:49, Florian Pirchner <florian.pirchner at gmail.com> wrote:

> Hi,
> 
> today i started to setup Drools 6 in my OSGi container. But it seems there are some issues that do not allow to run drools 6 (and jbpm) under OSGi properly.
> 
> For instance:
> JPAKnowledgeService
>                 .newStatefulKnowledgeSession(kieBase, null, env);
> will never find "org.drools.persistence.jpa.KnowledgeStoreServiceImpl" since it is not in the scope of the current ClassLoader.
> 
> Tried to tie things up, but then there would be a cyclic dependency between kie-internal and jbpm-persistence-jpa.
> 
> I also could see, that a ProjectClassLoader was added. I found a way to put my current BundleClassLoader as its parent into play. This solves a lot of class loading issues.
> 
> 
> For me it seems, that Drools 6 was not designed to run in an OSGi container. Is there ongoing work to integrate Drools and JBPM Version 6.x into OSGi environments properly?
> 
>  -- 
> Thanks for your answer
> Florian Pirchner
> 
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