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

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 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@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