ClassCastException in method mergeNodes in org.drools.core.reteoo.builder.BuildUtils class ------------------------------------------------------------------------------------------ Key: DROOLS-2499 URL: https://issues.jboss.org/browse/DROOLS-2499 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 7.4.1.Final, 7.5.0.Final, 7.6.0.Final, 7.7.0.Final Reporter: Antonio Morales Nicolás Assignee: Mario Fusco Priority: Critical java.lang.ClassCastException: org.drools.core.rule.constraint.EvaluatorConstraint cannot be cast to org.drools.core.rule.constraint.MvelConstraint at org.drools.core.reteoo.builder.BuildUtils.mergeNodes(BuildUtils.java:176)