It is possible to inherit a rule that doesn't exist --------------------------------------------------- Key: JBRULES-1924 URL: https://issues.jboss.org/browse/JBRULES-1924 Project: JBRULES Issue Type: Bug Components: drools-compiler Affects Versions: 5.0.0.M4 Reporter: Toni Rikkola Assignee: Mario Fusco Fix For: 6.0.0.Alpha1 Inheriting a rule that doesn't exist, doesn't give any errors. rule A extends you_can_not_find_me when ... then end