EJB InjectionProviderException无法注入EJB

Question

当我尝试在控制器中注入EJB时出错。

Caused by: com.sun.faces.spi.InjectionProviderException: com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Remote ejb-ref name=controllers.ScheduleController/calendrierDao,Remote 3.x interface =dao.CalendrierDao,ejb-link=null,lookup=,mappedName=,jndi-name=dao.CalendrierDao,refType=Session into class controllers.

我不知道它是由豆本身引起的还是..

    @EJB
private ActionDao actionDao;

@EJB
private CalendrierDao calendrierDao;

第一个正确注射，我可以使用它。 但第二个给了我上面提到的错误。

失败的ejb代码：

import java.io.Serializable;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.ejb.LocalBean;

import javax.faces.application.FacesMessage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.NamedQueries;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
import javax.servlet.http.HttpSession;

import entities.Action;
import entities.TCalendrier;
import entities.Titre;

@SessionScoped
@ManagedBean
public class CalendrierDao implements ICalendrierDao, Serializable {
/**
 * 
 */
private static final long serialVersionUID = -270548339881483437L;
// private static final String SELECT_ALL_CALENDAR =
// "SELECT cal FROM t_calendriers cal where c.utilCreation =: utilCreation";
private static final String SELECT_TITLE_NAME = "SELECT t.titreEnClair FROM t_titres t  

private FacesMessage message;
private List<TCalendrier> allCalendar;

@PersistenceUnit
private EntityManagerFactory emf;

@PersistenceContext(unitName = "GA2010-ejbPU-dev")
private EntityManager em;

public CalendrierDao() {
    super();
}
@PostConstruct
public void init() {

    HttpSession sess = (HttpSession) FacesContext.getCurrentInstance()
            .getExternalContext().getSession(true);
    String codeUser = (String) sess.getAttribute("codeUser");

    try {

        TypedQuery<TCalendrier> requete = em.createNamedQuery(
                "typeCalendrier.findAll", TCalendrier.class);

        // TypedQuery<TCalendrier> requete =
        // em.createQuery(SELECT_ALL_CALENDAR, TCalendrier.class);
        requete.setParameter("utilCreation", codeUser);
        allCalendar = requete.getResultList();

    } catch (Exception e) {

        this.message = new FacesMessage(e.getMessage());
        FacesContext.getCurrentInstance().addMessage(null, message);
    }

}

public List<TCalendrier> getAllCalendar() {

    return allCalendar;
}

public String getTitleName(Integer refTitre_p) {
    String titre = null;

    try {

        Query requete = em.createQuery(SELECT_TITLE_NAME);

        requete.setParameter("refTitre", refTitre_p);
        titre = (String) requete.getSingleResult();

    } catch (NoResultException nre) {
        nre.printStackTrace();
    }

    return titre;

}

}