TelegramBotsApi telegramBotsApi = new TelegramBotsApi();
        ApiContextInitializer.init();
        DefaultBotOptions botOptions = ApiContext.getInstance(DefaultBotOptions.class);
        botOptions.setProxyHost("127.0.0.1");
        botOptions.setProxyPort(9050);

        botOptions.setProxyType(DefaultBotOptions.ProxyType.SOCKS5);
        bot = new Bott(botOptions);
        try {
           botSession = telegramBotsApi.registerBot(bot); // было  telegramBotsApi.registerBot(bot);
        } catch (TelegramApiRequestException ex) {
            ex.printStackTrace();
        }

public class ServletListener implements ServletContextListener {

    @Override
    public void contextDestroyed(ServletContextEvent sce) {
       
       Singleton.botSession.stop();
        
    }
}