[rules-users] drools 6 and osgi

[Mark Proctor]

There are bugs with loadClass and serialisation :(
http://lists.jboss.org/pipermail/rules-dev/2011-November/003681.html

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6500212
"Thus, we highly recommend replacement of this code:

  myClassLoader.loadClass(className);

With this code:

  Class.forName(className,false,myClassLoader);"

Mark
On 20 Jun 2013, at 15:01, Florian Pirchner <florian.pirchner at gmail.com> wrote:

> Hi,
> 
> i also saw all the Class.forName. Class.forName additionally uses a very 
> aggressive class caching policy.
> See here:
> http://blog.osgi.org/2011/05/what-you-should-know-about-class.html
> http://blog.bjhargrave.com/2007/09/classforname-caches-defined-class-in.html
> 
> I do not understand why API imports compiler.impl? Maybe to enable 
> class#forname i guess.
> 
> 
> Is there an intention to use a more modularized way in v6 beta4 when 
> OSGi support will be implemented?
> 
> Thanks Florian
> 
> 
> Am 20.06.13 15:43, schrieb Cristiano Gavião:
>> Hi,
>> 
>> Well, besides the fact that the services that we used on version 5.x is
>> still there, I'm not that optimist with Drools 6 running well in an OSGi
>> container... at least not currently...
>> 
>> Last week I played a bit too with Jbosgi and Wildfly and got a lot of
>> classloading errors due some factory classes trying to load classes that
>> are in another bundles...
>> 
>> what surprise me most was that kie-api has an import to
>> org.drools.compiler.kie.builder.impl ! :)
>> 
>> regards,
>> 
>> John
>> On 17/06/13 19:39, Florian.Pirchner wrote:
>>> hi,
>>> 
>>> i got a question about osgi support.
>>> is beta 3 already useable in osgi environments? could see that activators are registering v5 api as services.
>>> 
>>> is it possible to consume osgi services in the script tasks and rules by context? is this planned for version 6? would be a great feature.
>>> 
>>> thanks a lot for answer
>>> florian
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> 
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