[rules-users] Deploy Rules in separate OSGi bundles

[Charles Moulliard]

I would recommend that you use the karaf features 6.1.0.Beta3 file
http://repo1.maven.org/maven2/org/drools/drools-karaf-features/6.1.0.Beta3/drools-karaf-features-6.1.0.Beta3-features.xmlto
deploy your project on Karaf or ServiceMix


On Tue, May 13, 2014 at 8:24 PM, Ephemeris Lappis <
ephemeris.lappis at gmail.com> wrote:

>  Hello.
>
> I'll send you a project as described when our first tests work with a
> single bundle, which is not the case today. Indeed, we're experiencing
> problems, like many seem to have experienced before, to package and install
> drools on ServiceMix.
>
> We're testing first a simple bundle owning its local kmodule.xml and its
> drl files, but this doesn't work. I have had a look to you example
> projects, and some of them indeed seem to do what we need, using the osgi
> integration.
>
> The project itself only depends on two libraries (Kie API and Drools
> compiler), but when we've tried to install them, we've discovered all the
> transitive dependancies that we must take into account to add the OSGi
> integration module that is supposed to handle classloader troubles.
>
> We are trying to build a Karaf Feature of the 6.0.1 Final version for our
> Karaf environment, producing a KAR file with maven, but many dependant
> JAR's manifests mention Import-Package entries that do not appear in the
> maven graph and we've spent 2 days looking one by one to resolve deployment
> failures and/or conflicts.
>
> Have you any advice about building a (minimalist) Karaf feature for Drools
> 6.0.1 ?
> I've seen an available feature for a more recent version of Karaf, but our
> ServiceMix 4.5.3 doesn't expose the needed dependancies.
>
> I've also see posts about a new KieClasspathContainer constuction method
> passing a classloader, but this method, if I'm not wrong only appears on
> version 6.1.0 Beta3.
>
> Is there any reason to use this beta instead of the last final version ?
>
> Thanks for you help.
>
> Regards.
>
> Ephemeris Lappis
>
> Le 13/05/2014 15:46, Charles Moulliard a écrit :
>
> Can you share your code as I have created such kind of project (bundle A
>  = KieContainer  and bundle B = rules) which is working on Karaf ?
>
>  https://github.com/cmoulliard/droolsjbpm-osgi-examples (bundle with Kie
> = kie-project-bundle<https://github.com/cmoulliard/droolsjbpm-osgi-examples/tree/master/kie-project-bundle> and
> bundle with bundle with rules = simple-kie-bundle<https://github.com/cmoulliard/droolsjbpm-osgi-examples/tree/master/simple-kie-bundle>
> )
>
>
> On Tue, May 13, 2014 at 9:39 AM, Ephemeris Lappis <
> ephemeris.lappis at gmail.com> wrote:
>
>> Hello.
>>
>> I'd like to separate cleanly my Drools system into 2 OSGi bundles :
>>
>> 1) the java code that uses the Kie API (6.0.1) and exposes service
>> interfaces to the business part of the applications. Its code relies on
>> someting like :
>>
>> KieServices kieServices = KieServices.Factory.get();
>> kieContainer = kieServices.getKieClasspathContainer();
>> KieSession kieSession = kieContainer.newKieSession(name);
>>
>> 2) the rules themselves, just including the kmodule.xml that manages the
>> ksessions and the drl files in their own packages.
>>
>> Let say the first module is S and second is R, while the applcation is A.
>>
>> This build model works nice in my eclipse with correct maven dependancies
>> set from A to both S and R. Classes in the application A calls the service
>> from the S. The kieContainer has resolved as expected the kmodule and
>> associated the rules files for the given packages, and the application can
>> get the ksession for a given name.
>>
>> I'm afraid that the same code won't run as nice as it does when deployed
>> on
>> my Karaf (Service MIX) OSGi environment. I suspect that the KieContainer
>> may
>> encounter some troubles to detect the kmodule.xml in the META-INF and the
>> DRL files out of another jar.
>>
>> Is there anyone with such experiences ?
>> Any advice to do it ?
>>
>> Thanks in advance.
>> Regards.
>>
>>
>>
>> --
>> View this message in context:
>> http://drools.46999.n3.nabble.com/Deploy-Rules-in-separate-OSGi-bundles-tp4029541.html
>> Sent from the Drools: User forum mailing list archive at Nabble.com.
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>>
>
>
>
>  --
>  Charles Moulliard
> Apache Committer / Architect @RedHat
> Twitter : @cmoulliard | Blog :  http://cmoulliard.github.io
>
>
>
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-- 
Charles Moulliard
Apache Committer / Architect @RedHat
Twitter : @cmoulliard | Blog :  http://cmoulliard.github.io
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