@Override
public void doUpgrade(final Reader reader, final Writer writer) throws IOException, XmlPullParserException {
// no model structure change, merely the version
final Configuration conf = new KenaiRealmConfigurationXpp3Reader().read(reader);
conf.setVersion(Configuration.MODEL_VERSION);
new KenaiRealmConfigurationXpp3Writer().write(writer, conf);
}
});
final ValidationResponse vr = validateConfig(result);
if (vr.isValid()) {
return result;