java.lang.NullPointerException
        at org.netbeans.modules.websvc.saas.model.Saas.getTopLevelGroup(Saas.java:136)
        at org.netbeans.modules.websvc.saas.codegen.java.model.SaasBean.<init>(SaasBean.java:113)
        at org.netbeans.modules.websvc.saas.codegen.java.model.WsdlSaasBean.<init>(WsdlSaasBean.java:78)
        at org.netbeans.modules.websvc.saas.codegen.java.model.WsdlSaasBean.<init>(WsdlSaasBean.java:66)
        at org.netbeans.modules.websvc.saas.codegen.java.JaxWsCodeGenerator.<init>(JaxWsCodeGenerator.java:92)
        at org.netbeans.modules.websvc.saas.codegen.java.JaxWsJavaClientCodeGenerator.<init>(JaxWsJavaClientCodeGenerator.java:83)
        at org.netbeans.modules.websvc.saas.codegen.java.JaxWsCodeGeneratorFactory.create(JaxWsCodeGeneratorFactory.java:70)
        at org.netbeans.modules.websvc.saas.codegen.java.JaxWsEditorDrop$1.run(JaxWsEditorDrop.java:115)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)