code: public boolean loadFallback() {
          try {
              if (fallbackLocation == null) {
                  Logger.getLogger(getClass().getName()).warning("No fallback resource for " + this +
                          ", loadFallback not supported.");
                  return false;
              }
              load(fallbackLocation, true);
              clearCache();
              return true;
          } catch (Exception e) {
              LOG.log(Level.SEVERE, "Failed to load fallback resource: " + fallbackLocation, e);
          }
          return false;
      }
docs: Try to load the resource from the fallback resources. This will override
  any remote data already loaded, and also will clear the cached data.
  
  @return true, on success.