code: @CommandArgument
    public void start() {
      System.out.println("Starting server");
      try {
  
        Class.forName("org.apache.derby.jdbc.EmbeddedDriver");
        EmbeddedDataSource ds = new EmbeddedDataSource();
        ds.setConnectionAttributes("create=true");
        ds.setDatabaseName("classes");
  
        logger.info("Initializing jobProgressStates monitor");
        ProgressStateFactory factory = new ProgressStateFactory();
        jobProgressStates = factory.getProgressStates();
  
        logger.info("Initializing folders...");
        Preferences pref = Preferences
            .userNodeForPackage(JobServer.class);
        String path = pref.get("rootDirectory", "./server");
        File rootDirectory = new File(path);
        File jobsDirectory = new File(rootDirectory, "jobs");
  
        rootDirectory.mkdir();
        jobsDirectory.mkdir();
  
        logger.info("Initializing service");
        DbClassManager classManager = new DbClassManager(ds);
        classManager.prepareDataSource();
  
        TaskScheduler scheduler = new PrioritySerialTaskScheduler();
        Executor executor = Executors.newCachedThreadPool();
        jobServer = new JobServer(jobsDirectory, factory, scheduler, classManager, executor);
        AuthenticationServer authServer = new AuthenticationServer(jobServer, JdcpUtil.DEFAULT_PORT);
  
        logger.info("Binding service");
        Registry registry = getRegistry();
        registry.bind("AuthenticationService", authServer);
  
        logger.info("Server ready");
        System.out.println("Server started");
  
      } catch (Exception e) {
        System.err.println("Failed to start server");
        logger.error("Failed to start server", e);
      }
    }
docs: Starts the server.