code: private Object handleGetObjectImpl(String aKey, UResourceBundle requested) {
          Object obj = resolveObject(aKey, requested);
          if (obj == null) {
              UResourceBundle parentBundle = getParent();
              if (parentBundle != null) {
                  obj = parentBundle.handleGetObjectImpl(aKey, requested);
              }
              if (obj == null)
                  throw new MissingResourceException(
                      "Can't find resource for bundle "
                      + this.getClass().getName() + ", key " + aKey,
                      this.getClass().getName(), aKey);
          }
          return obj;
      }
docs: done twice before throwing a MissingResourceExpection.