Bonjour tout monde

j' essaie ajouter dans ma base de donnée des données, j' ai un message d erreur :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 
 javax.persistence.PersistenceException: No Persistence provider for EntityManager named User
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:56)
	at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:34)
	at com.vente.implDao.UserImpl.<init>(UserImpl.java:20)
	at org.apache.jsp.Adduser_jsp._jspService(Adduser_jsp.java:76)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:386)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Unknown Source)
03-janv.-2012 21:05:19 org.apache.catalina.core.StandardContext reload
INFO: Le rechargement de ce contexte a démarré
voici le code source :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
package com.vente.implDao;
 
import java.util.ArrayList;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.vente.beans.User;
import com.vente.dao.UserDao;
public class UserImpl implements UserDao {
	private static final Log log = LogFactory.getLog(UserImpl.class);
	@PersistenceContext
	private EntityManager en;
	@PersistenceUnit
    private EntityManagerFactory emf=Persistence.createEntityManagerFactory("User");
	@Override
	public void add(User obj) {
		try{
			en =emf.createEntityManager();
			en.getTransaction().begin();
			en.persist(obj);
			en.getTransaction().commit();
	    }catch(Exception e){log.error("add user  failed  :" +e.getMessage());};	
	}
 
    @Override
	public ArrayList<User> findAll() {
		ArrayList<User> result=null;
		try{
		   result =(ArrayList<User>)en.createQuery("select from user").getResultList();
		}catch(Exception e){log.error("find user failed :" +e);};
 
		return result;
	}
 
	@Override
	public User findByid(long id) {
		// TODO Auto-generated method stub
		return null;
	}
 
	@Override
	public void remove(User obj) {
		try{
			en.remove(obj);
	    }catch(Exception e){log.error("add adresse failed", e);};
 
	}
 
	@Override
	public void update(User obj) {
		// TODO Auto-generated method stub
 
	}
 
}
Code : Sélectionner tout - Visualiser dans une fenêtre à part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
<?xml version="1.0" encoding="ISO-8859-1" ?>
<%@ page import="com.vente.beans.*" %>
<%@ page import="com.vente.gestion.*" %>
<%@ page import="com.vente.controller.*" %>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<%@page import="com.vente.implDao.CustomerImpl"%>
<%@page import="com.vente.dao.CustomerDao"%>
<%@page import="com.vente.dao.Dao"%>
<%@page import="com.vente.implDao.UserImpl"%><html xmlns="http://www.w3.org/1999/xhtml">
   <%
   UserImpl unuser ;
   String login        =request.getParameter("login");
   String password     =request.getParameter("password");
   unuser = new UserImpl();
   User u = new User();
   u.setPassword(password);
   u.setUsername(login);
   session.setAttribute("UserImpl",unuser);
   try {
	 unuser.add(u);
	  } catch (Exception e) {
		  System.out.println(" ajout user   : " + e.getMessage());
	  }
	   response.sendRedirect("AffichUser.jsp");
 
    %>
merci