code: private HttpServer createHttpServer(JolokiaServerConfig pConfig) throws IOException {
          int port = pConfig.getPort();
          InetAddress address = pConfig.getAddress();
          InetSocketAddress socketAddress = new InetSocketAddress(address,port);
  
          HttpServer server = pConfig.useHttps() ?
                          createHttpsServer(socketAddress, pConfig) :
                          HttpServer.create(socketAddress, pConfig.getBacklog());
  
          // Thread factory which creates only daemon threads
          ThreadFactory daemonThreadFactory = new DaemonThreadFactory(pConfig.getThreadNamePrefix());
          // Prepare executor pool
          Executor executor;
          String mode = pConfig.getExecutor();
          if ("fixed".equalsIgnoreCase(mode)) {
              executor = Executors.newFixedThreadPool(pConfig.getThreadNr(), daemonThreadFactory);
          } else if ("cached".equalsIgnoreCase(mode)) {
              executor = Executors.newCachedThreadPool(daemonThreadFactory);
          } else {
              executor = Executors.newSingleThreadExecutor(daemonThreadFactory);
          }
          server.setExecutor(executor);
  
          return server;
      }
docs: Create the HttpServer to use. Can be overridden if a custom or already existing HttpServer should be
  used
  
  @return HttpServer to use
  @throws IOException if something fails during the initialisation