[rules-users] Guvnor - AccumulateFunction ClassCastException

[Edson Tirelli]

   Thanks for the feedback. So it seems it is really a classloader issue on
the container.

   Edson

2011/7/28 Melton, Michael P CTR SPAWARSYSCEN-ATLANTIC, 01200 <
michael.melton.ctr at navy.mil>

>  I got distracted from this issue for a few days, but I was just able to
> get back to it and I can confirm: uploading my jar as a POJO model does
> allow me to build the package successfully.  This isn't 100% intuitive but
> I'm definitely glad to see it working!
>
> Thanks everyone for the feedback.
> Mike
>
> ------------------------------
> *From:* Michael Anstis
> *Sent:* Mon 7/25/2011 13:41
>
> *To:* Rules Users List
> *Subject:* Re: [rules-users] Guvnor - AccumulateFunction
> ClassCastException
>
> AFAIK (waiting to be told otherwise) Guvnor builds its classpath from the
> assets that are within it's repository.
>
> Normally, for instance, if you want additional classes you'd upload them as
> a POJO model. It could be worth trying this first; i.e. upload your JAR
> containing the accumulate function as a POJO model.
>
> It's also quite possible however that there's another issue ;)
>
> 2011/7/25 Melton, Michael P CTR SPAWARSYSCEN-ATLANTIC, 01200 <
> michael.melton.ctr at navy.mil>
>
>>  Is there a different way to get my jar into Guvnor's classloader?  I've
>> been putting it in the JBoss lib directory.  It would be great if this was
>> just user error.
>>
>> Thanks.
>> Mike
>>
>>  ------------------------------
>>  *From:* Edson Tirelli
>> *Sent:* Mon 7/25/2011 13:19
>> *To:* Rules Users List
>> *Subject:* Re: [rules-users] Guvnor - AccumulateFunction
>> ClassCastException
>>
>>
>>    This is looking like a classloader issue. I assume your function is
>> correctly implementing the org.drools.runtime.rule.AccumulateFunction, as
>> you mention that it works outside of guvnor. So my guess is that your
>> function jar is being loaded by a classloader in a different hierarchy and
>> that is raising the CCE?
>>
>>    Edson
>>
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>>
>>
>
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-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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