[rules-users] ClassCastException during inserting knowledge package

[Piotr Jedrychowski]

I can't prepare it right now because I have a lot of other work. When I 
will have little bit time I will prepare test case for you.

Piotr





On 2010-04-22 19:13, Edson Tirelli wrote:
>
>     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 
> <mailto: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
>>     <mailto: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 <http://4.2.3.GA>
>>         * Drools 5.0
>>
>>         Regards,
>>         Piotr
>>         _______________________________________________
>>         rules-users mailing list
>>         rules-users at lists.jboss.org <mailto: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 <http://www.jboss.com>
>>
>>
>>     _______________________________________________
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>>     rules-users at lists.jboss.org  <mailto:rules-users at lists.jboss.org>
>>     https://lists.jboss.org/mailman/listinfo/rules-users
>>        
>
>
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>
>
>
>
> -- 
>  Edson Tirelli
>  JBoss Drools Core Development
>  JBoss by Red Hat @ www.jboss.com <http://www.jboss.com>
>
>
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>    

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