protected void initFtpServer() throws Exception {
FtpServerFactory serverFactory = new FtpServerFactory();
// setup user management to read our users.properties and use clear text passwords
File file = new File("src/test/resources/users.properties");
UserManager uman = new PropertiesUserManager(new ClearTextPasswordEncryptor(), file, "admin");
serverFactory.setUserManager(uman);
NativeFileSystemFactory fsf = new NativeFileSystemFactory();
fsf.setCreateHome(true);
serverFactory.setFileSystem(fsf);