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Erreur Hibernate - Une instance AnnotationConfiguration est requise pour utiliser

Erreur de mise en veille prolongée - Une instance AnnotationConfiguration est requise pour utiliser

L'annotation Hibernate est requise "AnnotationConfiguration" au lieu de "Configuration ()" normale pour construire la fabrique de session. 

INFO: Configuration resource: /hibernate.cfg.xml
Initial SessionFactory creation failed.org.hibernate.MappingException:
An AnnotationConfiguration instance is required to use 
Exception in thread "main" java.lang.ExceptionInInitializerError
    at com.example.persistence.HibernateUtil.buildSessionFactory(HibernateUtil.java:19)
    at com.example.persistence.HibernateUtil.(HibernateUtil.java:8)
    at com.example.common.App.main(App.java:11)
Caused by: org.hibernate.MappingException: An AnnotationConfiguration instance is required to use 
    at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1600)
    at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1555)
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1534)
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1508)
    at org.hibernate.cfg.Configuration.configure(Configuration.java:1428)
    at org.hibernate.cfg.Configuration.configure(Configuration.java:1414)
    at com.example.persistence.HibernateUtil.buildSessionFactory(HibernateUtil.java:13)
    ... 2 more

Solution

1. Téléchargez la bibliothèque d'annotations Hibernate

Vous pouvez télécharger la bibliothèque depuisHibernate official website

Or

Ajoutez la dépendance dans pom.xml de Maven 

        
    
        hibernate-annotations
        hibernate-annotations
        3.3.0.GA

P.S You may need to include the JBoss repository in order to download the Hibernate annotation library.


    
      JBoss repository
      http://repository.jboss.com/maven2/

2. Utiliser AnnotationConfiguration pour créer une fabrique de sessions

Le mappage de fichiers XML Hibernate normal utilise Configuration () 

          return new Configuration().configure().buildSessionFactory();

Pour l'annotation Hibernate, vous devez la changer en «AnnotationConfiguration» 

          return new AnnotationConfiguration().configure().buildSessionFactory();
HibernateUtil.java

Un exemple complet de «HibernateUtil.java» d'utilisation de «AnnotationConfiguration» pour l'application d'annotation Hibernate. 

package com.example.persistence;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;

public class HibernateUtil {

    private static final SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            return new AnnotationConfiguration().configure().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 SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public static void shutdown() {
        // Close caches and connection pools
        getSessionFactory().close();
    }

}
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