Erreur 'unknown entity'

Invité · 02/08/2016, 18h15

Bonjour

Voilà, j'ai mon projet Java lancé dans Eclipse. j'ai téléchargé hibernate 5.3
J'ai suivi ce tuto : http://www.simplecodestuffs.com/hibe...ng-annotation/
il demande d'utiliser hibernate 4.2

Voici mon arbo dans eclipse :
Nom : arbo.jpg
Affichages : 2389
Taille : 58,4 Ko

Nom : arbo.jpg
Affichages : 2389
Taille : 58,4 Ko

Voici hibernate.cfg.xml qui configure hibernate

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<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
 
<hibernate-configuration>
 
<session-factory>
        <!-- Database connection settings -->
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/test</property>
 
 
      	<property name="hibernate.hbm2ddl.auto">create</property>
 
        <!-- Echo all executed SQL to sysout -->
        <property name="show_sql">true</property>
 
 
        <!-- Map Entity Class -->
        <mapping resource="entity.Se.hbm.xml"/>
    	<mapping class="entity.StudentEntity"></mapping>
 
 
</session-factory>
</hibernate-configuration>

Voici HibernateUtil.java qui doit enregistrer un objet en bdd

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package util;
 
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
 
import entity.StudentEntity;
 
 
public class HibernateUtil {
 
        public static void main(String[] args) {
 
        Configuration cf = new Configuration().configure("hibernate.cfg.xml");
 
        StandardServiceRegistryBuilder srb = new StandardServiceRegistryBuilder();
        srb.applySettings(cf.getProperties());
        ServiceRegistry sr = srb.build();
        SessionFactory sf = cf.buildSessionFactory(sr);
 
        Session session = sf.openSession();
 
        StudentEntity std = new StudentEntity();
                std.setId(24); // Primary Key
                std.setName("Jamil");
                std.setDepartment("ECE");
                std.setCollege("SKCET");
 
                Transaction tx = session.beginTransaction();
                session.save(std);
                tx.commit();
                System.out.println("Object saved successfully.....!!");
                session.close();
                sf.close();
        }
}

Voici la classe StudentEntity.java :

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package entity;
 
import javax.persistence.*;
 
 
@Entity
@Table(name = "STUDENT")
public class StudentEntity {
 
        @Id
        @Column(name = "ID")
        private int id;
 
        @Column(name = "NAME")
        private String name;
 
        @Column(name = "DEPARTMENT")
        private String department;
 
        @Column(name = "COLLEGE")
        private String college;
 
 
// Create Getters and Setters
 
        public int getId() {
            return id;
        }
        public void setId(Integer id) {
            this.id = id;
        }  
 
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }  
 
        public String getDepartment() {
            return department;
        }
        public void setDepartment(String department) {
            this.department = department;
        }  
 
        public String getCollege() {
            return college;
        }
        public void setCollege(String college) {
            this.college = college;
        }  
 
}

Suite à un "run as java", j'ai l'erreur suivante Unknown entity: entity.StudentEntity alors que la classe existe. :

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août 02, 2016 6:03:05 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {5.2.1.Final}
août 02, 2016 6:03:05 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
août 02, 2016 6:03:05 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
août 02, 2016 6:03:05 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001005: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001001: Connection properties: {user=root, password=****}
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001003: Autocommit mode: false
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.PooledConnections <init>
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Tue Aug 02 18:03:05 CEST 2016 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
août 02, 2016 6:03:05 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
août 02, 2016 6:03:06 PM org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSources
INFO: HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@8f106e'
Exception in thread "main" org.hibernate.MappingException: Unknown entity: entity.StudentEntity
	at org.hibernate.metamodel.internal.MetamodelImpl.entityPersister(MetamodelImpl.java:620)
	at org.hibernate.internal.SessionImpl.getEntityPersister(SessionImpl.java:1596)
	at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:104)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:192)
	at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:38)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:177)
	at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:32)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:73)
	at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:668)
	at org.hibernate.internal.SessionImpl.save(SessionImpl.java:660)
	at org.hibernate.internal.SessionImpl.save(SessionImpl.java:655)
	at util.HibernateUtil.main(HibernateUtil.java:33)

Du coup j'ai essayé de créer Se.hbm.xml dans le pacquage entity(Mais dans le tuto il a l'air de dire que ce n'est pas nécessaire. :

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<?xml version="1.0"?><!DOCTYPE hibernate-mapping
  PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
  "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd"><hibernate-mapping>
  <class name="entity.StudentEntity" table="STUDENT">
    <id name="id" type="int" column="id">
      <generator class="native"/>
    </id>
    <property name="name" type="string" not-null="true" />
    <property name="departement" type="string" not-null="true" />
    <property name="college" type="date" />
  </class>
</hibernate-mapping>

Résultat : J'ai toujours la même erreur !

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août 02, 2016 6:03:05 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {5.2.1.Final}
août 02, 2016 6:03:05 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
août 02, 2016 6:03:05 PM org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
août 02, 2016 6:03:05 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {5.0.1.Final}
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001005: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001001: Connection properties: {user=root, password=****}
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001003: Autocommit mode: false
août 02, 2016 6:03:05 PM org.hibernate.engine.jdbc.connections.internal.PooledConnections <init>
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Tue Aug 02 18:03:05 CEST 2016 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
août 02, 2016 6:03:05 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
août 02, 2016 6:03:06 PM org.hibernate.tool.schema.internal.SchemaCreatorImpl applyImportSources
INFO: HHH000476: Executing import script 'org.hibernate.tool.schema.internal.exec.ScriptSourceInputNonExistentImpl@8f106e'
Exception in thread "main" org.hibernate.MappingException: Unknown entity: entity.StudentEntity
	at org.hibernate.metamodel.internal.MetamodelImpl.entityPersister(MetamodelImpl.java:620)
	at org.hibernate.internal.SessionImpl.getEntityPersister(SessionImpl.java:1596)
	at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:104)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:192)
	at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:38)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:177)
	at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:32)
	at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:73)
	at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:668)
	at org.hibernate.internal.SessionImpl.save(SessionImpl.java:660)
	at org.hibernate.internal.SessionImpl.save(SessionImpl.java:655)
	at util.HibernateUtil.main(HibernateUtil.java:33)

J'ai essayé pleins de truc du style changer @Entity par l'url, et rien à faire cela ne marche pas, pourtant tout est logique.

Erreur 'unknown entity'

Hibernate Java

Mode arborescent

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