Je reçois org.hibernate.InvalidMappingException: Impossible de lire XML lors de l'exécution simple projet de mise en veille prolongée

Question

Je cours mon premier projet de mise en veille prolongée qui enregistre des informations utilisateur comme identifiant, nom et adresse dans la base de données MySQL

C'est mon erreur log

log4j:WARN No appenders could be found for logger (org.jboss.logging). 
log4j:WARN Please initialize the log4j system properly. 
Exception in thread "main" org.hibernate.InvalidMappingException: Unable to read XML 
    at org.hibernate.internal.util.xml.MappingReader.readMappingDocument(MappingReader.java:109) 
    at org.hibernate.cfg.Configuration.add(Configuration.java:490) 
    at org.hibernate.cfg.Configuration.add(Configuration.java:486) 
    at org.hibernate.cfg.Configuration.add(Configuration.java:659) 
    at org.hibernate.cfg.Configuration.addResource(Configuration.java:742) 
    at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:2197) 
    at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:2169) 
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2149) 
    at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2102) 
    at org.hibernate.cfg.Configuration.configure(Configuration.java:2017) 
    at mypack.DataInsertion.insertInfo(DataInsertion.java:18) 
    at mypack.DataInsertion.main(DataInsertion.java:11) 
Caused by: org.dom4j.DocumentException: Error on line 3 of document : The processing instruction target matching "[xX][mM][lL]" is not allowed. Nested exception: The processing instruction target matching "[xX][mM][lL]" is not allowed. 
    at org.dom4j.io.SAXReader.read(SAXReader.java:482) 
    at org.hibernate.internal.util.xml.MappingReader.readMappingDocument(MappingReader.java:78) 
    ... 11 more 

hibernate.cfg.xml (Configuration du fichier xml)

<?xml version="1.0" encoding="utf-8"?> 
<!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> 

<!-- Related to the connection START --> 
    <property name="connection.driver_class">com.mysql.jdbc.Driver</property> 
    <property name="connection.url">jdbc:mysql://localhost:3306/hibdb</property> 
    <property name="connection.user">root</property> 
    <property name="connection.password">admin</property> 
<!-- Related to the connection END -->  

<!-- Related to the hibernate properties START --> 
    <property name="show_sql">true</property> 
    <property name="dialect">org.hibernate.dialect.MySQLDialect</property> 
<!-- Related to the hibernate properties END -->  

<!-- List of XML mapping files --> 
    <mapping resource="user.hbm.xml"/> 

</session-factory> 
</hibernate-configuration> 

user.hbm.xml (Mapping xml)

<!-- Mapping File to POJO Class --> 

<?xml version="1.0"?> 
<!DOCTYPE hibernate-mapping PUBLIC 
"-//Hibernate/Hibernate Mapping DTD 3.0//EN" 
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> 
<hibernate-mapping> 

<class name="mypack.DataProvider" table="user_info"> 
<id name="user_id" column="table_id"> 
<generator class="assigned"/> 
</id> 

<property name="user_name" column = "name" /> 
<property name="user_address" column = "address" /> 

</class> 

</hibernate-mapping> 

DataProvider.java (classe POJO)

// POJO Classe

package mypack; 

public class DataProvider { 

private int user_id; 
private String user_name; 
private String user_address; 

public int getUser_id() { 
    return user_id; 
} 
public void setUser_id(int user_id) { 
    this.user_id = user_id; 
} 
public String getUser_name() { 
    return user_name; 
} 
public void setUser_name(String user_name) { 
    this.user_name = user_name; 
} 
public String getUser_address() { 
    return user_address; 
} 
public void setUser_address(String user_address) { 
    this.user_address = user_address; 
} 

} 

DataInsertion.java (implentation java class)

package mypack; 

import org.hibernate.Session; 
import org.hibernate.SessionFactory; 
import org.hibernate.Transaction; 
import org.hibernate.cfg.Configuration; 

public class DataInsertion { 

    public static void main(String[] args) { 
     new DataInsertion().insertInfo(); 

    } 

    public void insertInfo() 
    { 
     Configuration con = new Configuration();  //interation with hib 
     con.configure("hibernate.cfg.xml");   //registering to xml 

     SessionFactory SF = con.buildSessionFactory(); //creating session 
     Session session = SF.openSession();   //opening new session 
     DataProvider provider = new DataProvider(); 
     provider.setUser_id(1); 
     provider.setUser_name("Goutham"); 
     provider.setUser_address("Hunsur"); 

     Transaction TR = session.beginTransaction(); 
     session.save(provider); 
     System.out.println("Object saved successfully"); 
     TR.commit();         //saving transaction 
     session.close(); 
     SF.close(); 
    } 

} 

S'il vous plaît me conseiller ,,, Merci.

Answer 1

Essayez de supprimer la ligne de commentaire et ligne vide avant la première balise dans user.hbm.xml