[rules-users] ClassCastException during inserting knowledge package

[Edson Tirelli]

    Can you provide an isolated test case to reproduce this problem? If so,
please create a JIRA, attach your case and ping me plz.

    Edson

2010/4/22 Piotr Jedrychowski <pjedrychowski at proximetry.pl>

>  I've downloaded last stable build (number 3845, made 2010-04-14) from
> Drools Hudson (http://hudson.jboss.org/hudson/job/drools/). After running
> my tests I got same problem (but little different StackTrace):
>
> java.lang.ClassCastException: org.drools.core.util.ObjectHashMap
>     at org.drools.reteoo.AlphaNode.updateSink(AlphaNode.java:172)
>     at org.drools.reteoo.BetaNode.attach(BetaNode.java:214)
>
>     at org.drools.reteoo.builder.BuildUtils.attachNode(BuildUtils.java:160)
>     at
> org.drools.reteoo.builder.GroupElementBuilder$NotBuilder.build(GroupElementBuilder.java:281)
>     at
> org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:77)
>     at
> org.drools.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:130)
>     at
> org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:77)
>     at
> org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:155)
>     at
> org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:128)
>
>     at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:117)
>     at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:409)
>     at
> org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:638)
>     at
> org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:520)
>     at
> org.drools.reteoo.ReteooRuleBase.addPackages(ReteooRuleBase.java:426)
>
>     at
> org.drools.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:121)
>
>
> Maybe I should download Drools from other place?
>
> Piotr
>
>
>
>
>
> On 2010-04-21 19:37, Edson Tirelli wrote:
>
>
>    This is related to the problem in your other e-mail and it is fixed in
> trunk.
>
>    Edson
>
> 2010/4/21 Piotr Jedrychowski <pjedrychowski at proximetry.pl>
>
>> Hello.
>>
>> I have a problem with such scenario:
>>
>> 1) add one knowledge package (sensor200) with two rules:
>>
>> package sensor200
>> rule "Sensor-200-ON"
>> when
>> (and f0: FMSensorFact(id==201) f1: FMSensorFact(id==202) )
>> (not FMFact(id==200))
>> then
>> FMFact factToInsert = new FMFact(200);
>> insert(factToInsert);
>> end
>>
>> package sensor200
>> rule "Sensor-200-OFF"
>> when
>> not (and FMSensorFact(id==201) FMSensorFact(id==202) )
>> (factToRetract : FMFact(id==200))
>> then
>> retract(factToRetract);
>> end
>>
>> 2) remove knowledge package (sensor200)
>>
>> 3) add knowledge package with the same name as in point 1, but with
>> other rule:
>>
>> package sensor200
>> rule "Sensor-200-OR-201-ON"
>> when
>> fact: FMSensorFact(id==201)
>> (not FMFact(id==200))
>> then
>> FMFact factToInsert = new FMFact(200);
>> insert(factToInsert);
>> end
>>
>> During adding knowledge package in point 3, I'm getting
>> ClassCastException with this Stacktarce:
>>
>> java.lang.ClassCastException: org.drools.util.ObjectHashMap
>>  at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:142)
>>  at org.drools.reteoo.ObjectTypeNode.updateSink(ObjectTypeNode.java:252)
>>  at org.drools.reteoo.AlphaNode.attach(AlphaNode.java:133)
>>  at org.drools.reteoo.builder.BuildUtils.attachNode(BuildUtils.java:160)
>>  at
>>
>> org.drools.reteoo.builder.PatternBuilder.attachAlphaNodes(PatternBuilder.java:295)
>>  at
>>
>> org.drools.reteoo.builder.PatternBuilder.attachPattern(PatternBuilder.java:117)
>>  at org.drools.reteoo.builder.PatternBuilder.build(PatternBuilder.java:70)
>>  at
>>
>> org.drools.reteoo.builder.GroupElementBuilder$NotBuilder.build(GroupElementBuilder.java:228)
>>  at
>>
>> org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:73)
>>  at
>>
>> org.drools.reteoo.builder.GroupElementBuilder$AndBuilder.build(GroupElementBuilder.java:126)
>>  at
>>
>> org.drools.reteoo.builder.GroupElementBuilder.build(GroupElementBuilder.java:73)
>>  at
>>
>> org.drools.reteoo.builder.ReteooRuleBuilder.addSubRule(ReteooRuleBuilder.java:153)
>>  at
>>
>> org.drools.reteoo.builder.ReteooRuleBuilder.addRule(ReteooRuleBuilder.java:126)
>>  at org.drools.reteoo.ReteooBuilder.addRule(ReteooBuilder.java:117)
>>  at org.drools.reteoo.ReteooRuleBase.addRule(ReteooRuleBase.java:362)
>>  at org.drools.common.AbstractRuleBase.addRule(AbstractRuleBase.java:618)
>>  at
>> org.drools.common.AbstractRuleBase.addPackages(AbstractRuleBase.java:500)
>>  at org.drools.reteoo.ReteooRuleBase.addPackages(ReteooRuleBase.java:379)
>>  at
>>
>> org.drools.impl.KnowledgeBaseImpl.addKnowledgePackages(KnowledgeBaseImpl.java:121)
>>
>> Maybe someone had similar problem and could help me?
>>
>> I'm using:
>> * JBoss 4.2.3.GA
>> * Drools 5.0
>>
>> Regards,
>> Piotr
>> _______________________________________________
>> rules-users mailing list
>> rules-users at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/rules-users
>>
>
>
>
> --
>  Edson Tirelli
>  JBoss Drools Core Development
>  JBoss by Red Hat @ www.jboss.com
>
>
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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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