if (operation == null) {
// XXX This happens while parsing xwf created by the version
// 2.2.6_1 or below.
operation = WSDLUtil.getFirstOperationName(wsdl, portType);
}
WSComponentKey key = new WSComponentKey(id, portType, operation);
WSComponent component;
if (components.containsKey(key)) {
component = components.get(key);
} else {