invalidResponse + ": no durations");
}
final int len = res.getResponseLength();
for (int i = 0; i < len; i++) {
final IdHostnameTuple idhost = res.getIdHostnamePair(i);
final Calendar start = Calendar.getInstance();
final Calendar stop = Calendar.getInstance();
stop.add(Calendar.SECOND, res.getDurationByIndex(i));
try {