How to allow anonymous user to login?

[Peter Cai]

I wrote a little code like this to start an ftp server embedded in my
application,  but I found that anonymous user could not login.  Client keeps
get 530.

Do I have add a configure file for ftp?   I can not find any API to create a
User to add to UserManger.

    private void start_ftp() throws FtpException {
        FtpServerFactory serverFactory = new FtpServerFactory();

        ListenerFactory factory = new ListenerFactory();

        // set the port of the listener
        factory.setPort(DEF_FTP_PORT);

        // replace the default listener
        serverFactory.addListener("default", factory.createListener());

        Ftplet fl = new MyFtplet();

        Map<String, Ftplet> map_ftplest = new LinkedHashMap<String,
Ftplet>();
        map_ftplest.put("default", fl);

        serverFactory.setFtplets(map_ftplest);

        UserManagerFactory u_factory = new PropertiesUserManagerFactory();
        UserManager u_manager = u_factory.createUserManager();
        //u_manager.
        Boolean b = u_manager.doesExist("anonymous");

        serverFactory.setUserManager(u_manager);

        // start the server
        server = serverFactory.createServer();

        server.start();
    }
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