Hi~ I have the same problem. ㅜㅜ Please, could you explain that how can resolve it ? I'll wait for your replay. -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/how-to-write-the-rule-tp2715052p2719125.html Sent from the Drools - User mailing list archive at Nabble.com.