In your rule this line: msg : Message(type == "XML", payload : payload) is incorrect. You're trying to match an enum, not a String. Try this: msg : Message(type == Type.XML, payload : payload) -Allen -----Original Message----- From: rules-users-bounces(a)lists.jboss.org [mailto:rules-users-bounces@lists.jboss.org] On Behalf Of Thierry B Sent: Monday, December 01, 2008 8:03 AM To: Rules Users List Subject: RE: [rules-users] drools 4.0 and enum in java 1.5 Hello, I've these imports : import com.pv.rules.beans.Message; import com.pv.rules.beans.Message.Type.XML; but it tell me : Unable to create restriction '[QualifiedIndentifierRestr: == com.pv.rules.beans.Message.Type.XML ]' for field 'type' in the rule 'Contexte1' : [Rule name=Contexte1, agendaGroup=MAIN, salience=0, no-loop=false] Rule Compilation error : [Rule name=Contexte1, agendaGroup=MAIN, salience=0, no-loop=false] com/pv/rules/Rule_Contexte1_0.java (2:63) : The import com.pv.rules.beans.Message.Type.XML cannot be resolved com.pv.rules.beans.Message.Type.XML Maybe, it's not possible to use enum in drl :-( Thanks :-) _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users