ClientResponseException not thrown for invocations of method with Response as return type for http status codes > 399

 public static final EntityExtractor clientResponseExtractor = new EntityExtractor<ClientResponse>()
   {
      public ClientResponse extractEntity(ClientRequestContext context, Object... args)
      {
         return context.getClientResponse();
      }
   };

public void checkFailureStatus()
   {
      if (status > 399 && status < 599)
      {
         throw createResponseFailure(format("Error status %d %s returned", status, getResponseStatus()));
      }
   }