docs: protected void initServer(IJettyConfiguration iJettyConfiguration) throws JettyBootstrapException {
          if (server == null) {
              server = createServer(iJettyConfiguration);
              server.setConnectors(createConnectors(iJettyConfiguration, server));
  
              server.setHandler(handlers);
  
              if (iJettyConfiguration.isStopAtShutdown()) {
                  createShutdownHook();
              }
          }
      }