[jboss-jira] [JBoss JIRA] Closed: (JBRULES-1142) nested accessors on the lhs of the memberOf (or not memberOf) operator lead to an exception

[Edson Tirelli (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-1142?page=all ]

Edson Tirelli closed JBRULES-1142.
----------------------------------

    Fix Version/s: 4.0.1
       Resolution: Duplicate Issue

http://jira.jboss.org/jira/browse/JBRULES-1089

> nested accessors on the lhs of the memberOf (or not memberOf) operator lead to an exception
> -------------------------------------------------------------------------------------------
>
>                 Key: JBRULES-1142
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-1142
>             Project: JBoss Rules
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>    Affects Versions:  4.0.0.GA
>         Environment: Windows XP, Java 1.5, Drools 4.0.0.GA
>            Reporter: andreas kinell
>         Assigned To: Mark Proctor
>             Fix For: 4.0.1
>
>   Original Estimate: 5 hours
>  Remaining Estimate: 5 hours
>
> nested accessors on the lhs of the memberOf (or not memberOf) operator lead to an exception:
> business logic (pseudocode):
> class Position {
>    private Instrument instrument;
> }
> class Instrument {
>    private Currency currency;
> }
> with getters and setters.
> rule:
> $collection : Collection()
> $position : Position(instrument.currency not memberOf $collection)
> exception:
> org.drools.RuntimeDroolsException: Exception executing predicate org.drools.base.mvel.MVELPredicateExpression at 1f99eea
> 	at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:212)
> 	at org.drools.common.SingleBetaConstraints.isAllowedCachedLeft(SingleBetaConstraints.java:110)
> 	at org.drools.reteoo.JoinNode.assertTuple(JoinNode.java:119)
> 	at org.drools.reteoo.SingleTupleSinkAdapter.propagateAssertTuple(SingleTupleSinkAdapter.java:20)
> 	at org.drools.reteoo.JoinNode.assertObject(JoinNode.java:162)
> 	at org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:317)
> 	at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:168)
> 	at org.drools.reteoo.Rete.assertObject(Rete.java:168)
> 	at org.drools.reteoo.ReteooRuleBase.assertObject(ReteooRuleBase.java:190)
> 	at org.drools.reteoo.ReteooWorkingMemory.doInsert(ReteooWorkingMemory.java:70)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:848)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:822)
> 	at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:623)
> 	at test.RuleTest.testRuleEngine1(RuleTest.java:99)
> Caused by: java.lang.ClassCastException: test.Currency
> 	at org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:36)
> 	at org.drools.rule.PredicateConstraint.isAllowedCachedLeft(PredicateConstraint.java:206)
> 	... 33 more

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