[rules-users] Rule Validation/Package Build Error in Guvnor: ClassNot Found

[Esteban Aliverti]

Hi,
your (b) problem looks like compatibility problems between guvnor version
and drools-core version used by your knowledge agent. Which versions are you
using?

Best,

On Thu, Jul 1, 2010 at 2:18 AM, Ike <iokafo at gmail.com> wrote:

> Jeff
>
> Can't thank you enough. The explanation you gave cleared a number of
> cobwebs.
> I got all the jars in and do not get anymore class errors however I
> encountered two more issues
>
> (1) Some of the rules validate succesfully within guvnor but I have a
> couple
> of rules that use maps on which I am getting errors. The map contains
> objects
> of a certain type Class1 and the map key is a Long (e.g 1L, 2L). The
> statement
> causing the error is of the format eval(Map[1L].getDirection== Map
> [2L].getDirection). The error I get is "unqualified type in strict mode for
> getDirection". I scoured the forums for a solution and learnt that I need
> to
> cast the object from the map to its specific type before calling any method
> of
> the class and so I changed it to
>  eval(((Class1)Map[2L]).getDirection == ((Class1)Map[3L]).getDirection) but
> the errors only got worse.
>
> Is there a resolution for this "unqualified type in strict mode" error?
>
> I should also mention that I get no such error when working with the .DRL
> file
> in my java code outside guvnor.
>
>
> (b) The second issue I am dealing with involves those rules that validated
> in
> guvnor (I am running guvnor under JBOSS 4.2.3). I validated and built the
> package successfully (I did not create a snapshot for deployment). I then
> tried to reference the guvnor package to build the rulebase using the
> following java code
>
> RuleAgent agent = RuleAgent.newRuleAgent("guvnor.properties");
> RuleBase masterRuleBase = agent.getRuleBase();
>
> guvnor.properties contains only one entry url =
> http://localhost:8080/drools-
> guvnor/org.drools.guvnor.Guvnor/package/SomePackage.drools/LATEST
> I got this url from the guvnor deployment page
>
> The error I got when I ran this was "java.io.InvalidCastException:
> org.drools.rule.DialectRuntimeRegistry; local class incompatible: stream
> classdesc serailVersionUID= 5308493362083281112, local class
> serialVersionID =
> 510
> Is there a compatibility issue between Guvnor and JBOSS 4.2.3
>
> Thanks
>
>
>
>
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>



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Esteban Aliverti
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