public static void bind(ServerSocket socket, InetSocketAddress address, 
                          int backlog) throws IOException {
    bind(socket, address, backlog, null, null);
  }
@Test
  public void testEmptyConfig() throws Exception {
    Configuration conf = new Configuration();
    conf.set("TestRange", "");


    ServerSocket socket = new ServerSocket();
    InetSocketAddress address = new InetSocketAddress("0.0.0.0", 0);
    try {
      Server.bind(socket, address, 10, conf, "TestRange");
      assertTrue(socket.isBound());
    } finally {
      socket.close();
    }
  }