code: public void startInfoServer() {
  		final Configuration config = GlobalConfiguration.getConfiguration();
  		// Start InfoServer
  		try {
  			int port = config.getInteger(ConfigConstants.JOB_MANAGER_WEB_PORT_KEY, ConfigConstants.DEFAULT_JOB_MANAGER_WEB_FRONTEND_PORT);
  			server = new WebInfoServer(config, port, this);
  			server.start();
  		} catch (FileNotFoundException e) {
  			LOG.error(e.getMessage(), e);
  		} catch (Exception e) {
  			LOG.error("Cannot instantiate info server: " + e.getMessage(), e);
  		}
  	}
docs: Starts the Jetty Infoserver for the Jobmanager