[jboss-jira] [JBoss JIRA] Created: (JBRULES-3072) CCE due to non-boolean constraint expression

[Wolfgang Laun (JIRA)]

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


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