upload.setSizeMax(50000);
try {
FileItemIterator iterator = upload.getItemIterator(req);
while (iterator.hasNext()) {
FileItemStream item = iterator.next();
InputStream in = item.openStream();
if (item.isFormField()) {
String fieldName = item.getFieldName();
if (fieldName.equals("phoneNumber")) {
phoneNumber = Streams.asString(in, "UTF-8");
} else if (fieldName.equals("defaultCountry")) {