HI, i want to debug guvnor in eclipse, i follow the derection in http://community.jboss.org/wiki/RulesRepositoryBuildInstructions. un fortunately, i Failure. the following are my environment. window xp sp3 eclipse sdk 3.6.1,( install gwt plugin from http://dl.google.com/eclipse/plugin/3.6. )(gwt-2.1.1) java .1.6.0_18 maven 3.0.2 ant 1.8.2 drools 5.2.0.36439-M1 and when run --> web application. the Development Mode show these: ------------------------------- [DEBUG] [org.drools.guvnor.Guvnor] - Validating newly compiled units [ERROR] [org.drools.guvnor.Guvnor] - Errors in 'file:/F:/JAVA/Drool/5.2.0.36439-M1/drools-guvnor/src/main/java/org/drools/guvnor/client/decisiontable/ActionInsertColumn.java' [ERROR] [org.drools.guvnor.Guvnor] - Line 58: No source code is available for type org.drools.ide.common.client.modeldriven.dt.GuidedDecisionTable; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 59: No source code is available for type org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 60: No source code is available for type org.drools.ide.common.client.modeldriven.dt.ActionInsertFactCol; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 179: No source code is available for type org.drools.ide.common.client.modeldriven.dt.ActionCol; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 198: No source code is available for type org.drools.ide.common.client.modeldriven.FieldAccessorsAndMutators; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Errors in 'file:/F:/JAVA/Drool/5.2.0.36439-M1/drools-guvnor/src/main/java/org/drools/guvnor/client/decisiontable/ActionSetColumn.java' [ERROR] [org.drools.guvnor.Guvnor] - Line 55: No source code is available for type org.drools.ide.common.client.modeldriven.dt.ActionSetFieldCol; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 58: No source code is available for type org.drools.ide.common.client.modeldriven.dt.GuidedDecisionTable; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 59: No source code is available for type org.drools.ide.common.client.modeldriven.SuggestionCompletionEngine; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 183: No source code is available for type org.drools.ide.common.client.modeldriven.dt.ActionCol; did you forget to inherit a required module? [ERROR] [org.drools.guvnor.Guvnor] - Line 265: No source code is available for type org.drools.ide.common.client.modeldriven.dt.ConditionCol; did you forget to inherit a required module? ............................... .......................... thanks derek lee.