if (prefix instanceof IMaskable) {
prefix = ((IMaskable) prefix).clone();
}
- while (maskLength > 0) {
+ while (maskLength >= 0) {
IMappingServiceKey key = MappingServiceKeyUtil.generateMappingServiceKey(prefix, maskLength);
Map<String, ?> daoMap = dao.get(key);
if (daoMap != null) {