问Java CDI和观察者问题-调用侦听器方法时，依赖项为空

EN

@Named
@RequestScoped
public class BlogDetailBean {

    @Inject
    private BlogService blogService;

    @Inject
    Event<ContentViewEvent> blogViewEvent;

    ...

    public String loadEntry(){
      this.blogViewEvent.fire(new ContentViewEvent(this.entry));
    }

    ...

}

@Stateless
@Named
public class ContentViewLog {

    @Inject
    private Logger log;

    @Inject
    @DataRepository
    private EntityManager em;


    private void listen(@Observes final ContentViewEvent e) {
        this.log.info("Content View Event: " + e.toString());
        final LoggedContentView lcv = new LoggedContentView(e);
        this.em.persist(lcv);
    }

    public Long getTotalViews() {
        final Long result = (Long) this.em.createNamedQuery(
            "loggedContentView.countAll").getSingleResult();
        return result;
}

    ...

}