private void acceptConnections() {
    var serverChannel = myServerChannel;
    if (serverChannel == null) return;
    while (true) {
      try {
        var socketChannel = serverChannel.accept();
        if (LOG.isDebugEnabled()) LOG.debug("accepted connection " + socketChannel);
        ProcessIOExecutorService.INSTANCE.execute(() -> handleConnection(socketChannel));
      }
      catch (ClosedChannelException e) { break; }
      catch (IOException e) {
        LOG.warn(e);
        break;
      }
    }
  }
private void acceptConnections()