docs: static OutputStream connectToOneServer(String server, int port) throws IOException {
          try {
              Socket pushSocket = new Socket(server, port);
              OutputStream out = pushSocket.getOutputStream();
              m_logger.info("Connected to export endpoint node at: " + server + ":" + port);
              return out;
          } catch (UnknownHostException e) {
              m_logger.rateLimitedLog(120, Level.ERROR, e, "Don't know about host: " + server);
              throw e;
          } catch (IOException e) {
              m_logger.rateLimitedLog(120, Level.ERROR, e, "Couldn't get I/O for the connection to: " + server);
              throw e;
          }
      }