code: @Override
      public void connect(String server, int port, String application) {
          log.debug("connect server: {} port {} application {}", new Object[] { server, port, application });
          connect(server, port, application, null);
      }
docs: Connect RTMP client to server's application via given port
  
  @param server
  Server
  @param port
  Connection port
  @param application
  Application at that server