Target Unreachable, identifier '' resolved to null

Bonjour ,

j'utlise jsf2.1 hibernate 4 : mon class User est généré automatiquement puisque j'utilise hibernate reverse engineering mais j'obtient toujours cette erreur :


Class User :

package entities;

// Generated Feb 19, 2015 5:19:15 PM by Hibernate Tools 3.4.0.CR1

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;

/**
 * User generated by hbm2java
 */
@Entity
@Table(name = "user", catalog = "ocs")
public class User implements java.io.Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private String matricule;
	private String nom;
	private String prenom;
	private String equipe;
	private Integer numTel;
	private String role;
	private String photo;
	private String mail;
	private String password;

	public User() {
	}

	public User(String matricule) {
		this.matricule = matricule;
	}

	public User(String matricule, String nom, String prenom, String equipe,
			Integer numTel, String role, String photo, String mail,
			String password) {
		this.matricule = matricule;
		this.nom = nom;
		this.prenom = prenom;
		this.equipe = equipe;
		this.numTel = numTel;
		this.role = role;
		this.photo = photo;
		this.mail = mail;
		this.password = password;
	}

	@Id
	@Column(name = "matricule", unique = true, nullable = false, length = 45)
	public String getMatricule() {
		return this.matricule;
	}

	public void setMatricule(String matricule) {
		this.matricule = matricule;
	}

	@Column(name = "nom", length = 250)
	public String getNom() {
		return this.nom;
	}

	public void setNom(String nom) {
		this.nom = nom;
	}

	@Column(name = "prenom", length = 250)
	public String getPrenom() {
		return this.prenom;
	}

	public void setPrenom(String prenom) {
		this.prenom = prenom;
	}

	@Column(name = "equipe", length = 250)
	public String getEquipe() {
		return this.equipe;
	}

	public void setEquipe(String equipe) {
		this.equipe = equipe;
	}

	@Column(name = "num_tel")
	public Integer getNumTel() {
		return this.numTel;
	}

	public void setNumTel(Integer numTel) {
		this.numTel = numTel;
	}

	@Column(name = "role", length = 250)
	public String getRole() {
		return this.role;
	}

	public void setRole(String role) {
		this.role = role;
	}

	@Column(name = "photo", length = 250)
	public String getPhoto() {
		return this.photo;
	}

	public void setPhoto(String photo) {
		this.photo = photo;
	}

	@Column(name = "mail", length = 250)
	public String getMail() {
		return this.mail;
	}

	public void setMail(String mail) {
		this.mail = mail;
	}

	@Column(name = "password", length = 250)
	public String getPassword() {
		return this.password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

}

hibernateUtil

package sungardUtil ;


import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
  
public class HibernateUtil {
  
    private static final SessionFactory sessionFactory=buildSessionFactory();
  
   public static SessionFactory buildSessionFactory(){
        try {
            return new Configuration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
  
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}

hibernatecfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
                                         "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
 <session-factory name="SessionFactory">
  <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
  <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/ocs</property>
  <property name="hibernate.connection.username">root</property>
  <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
  <property name="hibernate.current_session_context_class">thread</property>
  <mapping class="entities.User"/>
 
 </session-factory>
</hibernate-configuration>

Faces-config

<?xml version="1.0" encoding="UTF-8"?>
<faces-config
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation=" http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_2.xsd"
    version="2.2">

</faces-config>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>Sungard.cmdb.imp</display-name>
  
  <session-config>
    <session-timeout>30</session-timeout>
  </session-config>
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.sungard</url-pattern>
  </servlet-mapping>
</web-app>

UserDao

package model;

import org.hibernate.Query;
import org.hibernate.Session;

import sungardUtil.HibernateUtil;
import entities.User;

public class UserDAO {
	
	private Session session ;
	
	
	public User authenticate (User user) throws Exception {
		User us = null;
		try {
			session = HibernateUtil.getSessionFactory().openSession();
			String hql = "FROM User WHERE mail = '" + user.getMail()
					+ "' and password = '" + user.getPassword() + "'";
			Query query = session.createQuery(hql);
			if(!query.list().isEmpty()){
				us = (User) query.list().get(0);
			}
			
		} catch(Exception e) {
			throw e ;
		}
		
	return us ;

}
}

UserBean

package controller;

import javax.faces.bean.ManagedBean;

import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;

import model.UserDAO;
import entities.User;



@ManagedBean (name="monta")
@SessionScoped
public class UserController {
	
	public UserController() {
		// TODO Auto-generated constructor stub
	}
	private User user = new User();

	public User getUser() {
		return user;
	}

	public void setUser(User user) {
		this.user = user;
	}

	public String authenticate () throws Exception {
		UserDAO userDAO = new UserDAO();
		User us ;
		String resultat ;
		try {
			
			us=userDAO.authenticate(this.user);
			if (us != null){
				FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("user", us);
				resultat = "exist";
			
			} else {
				resultat = "error";
			}
		} catch (Exception e) {
			throw e;
		}
		return resultat;
	}
}

page.xhtml

<!DOCTYPE HTML>

<html lang="en"
     xmlns="http://www.w3.org/1999/xhtml"
     xmlns:f="http://java.sun.com/jsf/core"
     xmlns:h="http://java.sun.com/jsf/html"
     xmlns:ui="http://java.sun.com/jsf/facelets"
    
      >

<h:head>


</h:head>
<body>

<h:form>

<h1>bbbbbb</h1>

<h:message/>
<h:panelGrid columns ="2">
<h:outputLabel value ="xxx"/>
<h:inputText value ="#{monta.user.mail}"/>


<h:outputLabel value ="xvvx"/>
<h:inputText value ="#{monta.user.password}"/>

<h:commandButton value ="log" action="#{monta.authenticate()}"/>
</h:panelGrid>


</h:form>

</body>
</html>