hello, first sorry for my bad english when I execute the code rule "sample1" when $P: User($name : name, email matches &quot;.*(a)bull.net&quot;) $role :Role then $role.addUser($P); end User and Role are JavaBean error is affiched Exception in thread "main" org.drools.rule.InvalidRulePackage: unknown:12:0 mismatched token: [@78,169:172='then',<33>,12:0]; expecting type '(' at org.drools.rule.Package.checkValidity(Unknown Source) at org.drools.common.AbstractRuleBase.addPackage(Unknown Source) at org.drools.jsr94.rules.admin.RuleExecutionSetImpl.<init>(Unknown Source) at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source) at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source) at org.drools.jsr94.rules.admin.LocalRuleExecutionSetProviderImpl.createRuleExecutionSet(Unknown Source) at com.sample.Rule.fireRules(Rule.java:41) at com.sample.Rule.fireRules(Rule.java:70) at com.sample.DroolsTest.main(DroolsTest.java:34) Best regard Ismail --------------------------------- Découvrez une nouvelle façon d'obtenir des réponses à toutes vos questions ! Profitez des connaissances, des opinions et des expériences des internautes sur Yahoo! Questions/Réponses.