/**
 *
 * @author cirstea
 */
@Named(value = "ticketCreationBean")
@RequestScoped
public class TicketCreationBean implements Serializable {

    ...
    private static final String STATEFUL_TEST_BEAN_KEY = "STATEFUL_TEST_BEAN_KEY";
  //  NOT POSSIBLE: new STSB for each Managed Bean
  //    @EJB
  //    private TicketManager ticketManager;

    ...
    // explicit lookup
    private TicketManager getStatefulBean() throws ServletException {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        HttpSession httpSession = (HttpSession) facesContext.getExternalContext().getSession(false);
        TicketManager ticketManager = (TicketManager) httpSession.getAttribute(STATEFUL_TEST_BEAN_KEY);
        System.out.println("TicketManager = " + ticketManager);
        if (ticketManager == null) {
            try {
                InitialContext ic = new InitialContext();
                ticketManager = (TicketManager) ic.lookup("java:global/GestionPersonnes/GestionPersonnes-ejb/TicketManagerBean");
                httpSession.setAttribute(STATEFUL_TEST_BEAN_KEY, ticketManager);
            } catch (NamingException e) {
                throw new ServletException(e);
            }
        }
        return ticketManager;
    }

    private void invalidateSessionTicket() {
        FacesContext facesContext = FacesContext.getCurrentInstance();
        HttpSession httpSession = (HttpSession) facesContext.getExternalContext().getSession(false);
        httpSession.setAttribute(STATEFUL_TEST_BEAN_KEY, null);
    }
    ...
}