J'ai un probléme avec HIBERNATE
L'erreur c'est

Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.util.HibernateUtil.<clinit>(HibernateUtil.java:16)
at com.tpMaison.TestInsert.main(TestInsert.java:14)
Caused by: java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory
at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:152)
at com.util.HibernateUtil.<clinit>(HibernateUtil.java:12)
... 1 more

j'ai mis le slf4j-jdk14.jar dans lib mais toujours ce probléme

voici mon fichier hibernateUtil

package com.util;
import org.hibernate.*;
import org.hibernate.cfg.*;
public class HibernateUtil {


public static final SessionFactory sessionFactory;

static {
try {
// Création de la SessionFactory à partir de hibernate.cfg.xml
sessionFactory = new Configuration().configure("Hibernate.cfg.xml").buildSessionFactory();
} catch (Throwable ex) {
// Make sure you log the exception, as it might be swallowed
System.err.println("Initial SessionFactory creation failed." + ex);
throw new ExceptionInInitializerError(ex);
}
}

public static final ThreadLocal session = new ThreadLocal();

public static SessionFactory getSessionFactory() {
return sessionFactory;
}
}