CCE due to non-boolean constraint expression -------------------------------------------- Key: JBRULES-3072 URL: https://issues.jboss.org/browse/JBRULES-3072 Project: Drools Issue Type: Bug Security Level: Public (Everyone can see) Components: drools-compiler (expert) Affects Versions: 5.2.0.CR1 Reporter: Wolfgang Laun Assignee: Mark Proctor Fix For: 5.2.0 (Possibly related to JBRULES-3011) class Person { String name; } when $p1: Person( name + name ) This is compiled, and execution fails with: Caused by: org.drools.RuntimeDroolsException: Exception executing predicate name + name at org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:298) at org.drools.reteoo.AlphaNode.assertObject(AlphaNode.java:130) at org.drools.reteoo.SingleObjectSinkAdapter.propagateAssertObject(SingleObjectSinkAdapter.java:59) at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:193) at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:143) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:332) at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:293) at org.drools.common.AbstractWorkingMemory.insert(AbstractWorkingMemory.java:905) at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:119) at org.drools.base.DefaultKnowledgeHelper.insert(DefaultKnowledgeHelper.java:113) at freeform.Rule_ins_0.defaultConsequence(Rule_ins_0.java:9) at freeform.Rule_ins_0DefaultConsequenceInvoker.evaluate(Rule_ins_0DefaultConsequenceInvoker.java:23) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:905) ... 7 more Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Boolean at org.drools.base.mvel.MVELPredicateExpression.evaluate(MVELPredicateExpression.java:101) at org.drools.rule.PredicateConstraint.isAllowed(PredicateConstraint.java:291) ... 19 more -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira