Hello: I had generated the decisiontable using the eclipse plugin for drools 4.x. using the eclipse the DecisionsampleTest works fine but on running it from the command line gets the following error: /C:\FirstDroolPrj\bin>java com.sample.DecisionTableTest org.drools.rule.InvalidRulePackage: Rule Compilation error : [Rule name=HelloWor ld_11, agendaGroup=MAIN, salience=0, no-loop=false] com/sample/Rule_HelloWorld_11_0.java (8:411) : The method update(Decisio nTableTest.Message) is undefined for the type Rule_HelloWorld_11_0 com/sample/Rule_HelloWorld_11_0.java (9:453) : The method update(Decisio nTableTest.Message) is undefined for the type Rule_HelloWorld_11_0 at org.drools.rule.Package.checkValidity(Package.java:419) at org.drools.common.AbstractRuleBase.addPackage(AbstractRuleBase.java:2 92) at com.sample.DecisionTableTest.readDecisionTable(DecisionTableTest.java :62) at com.sample.DecisionTableTest.main(DecisionTableTest.java:35) / Have attached the .xsl and the DecisionTableTest for the reference. Thanks for your help and time, Regards, Ravi