// For an UPDATE operation the class object is the
// virtual server whose attributes are being
// updated. Therefore the config is the parent of the
// parent of this object:
final VirtualServer vs = (VirtualServer) cce.getClassObject();
final Config config = (Config) vs.parent().parent();
String name = cce.getName();
String value = (String) cce.getObject();
validateAttribute(name,value,config, result);
// IF the state is being turned off then this can only
// occur if there's no http-listener which has this