JSF @RequestScoped Anotasyonu - Kullanmayın

Giriş

Şu satırı dahil ederiz. JSF yerine her zaman CDI kullanılmalı

import javax.faces.bean.RequestScoped;

Açıklaması şöyle 

It is a historical accident that there are two separate mechanisms, CDI beans and JSF managed beans, for beans that can be used in JSF pages. We suggest that you use CDI beans unless your application must work on a plain servlet runner such as Tomcat.