Problema com Hibernate

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD//EN"
"http://hibernate.sourceforge.net/hibernate-mapping.dtd">
<hibernate-mapping>
    <class name="app.bean.Pessoa" table="pessoa">
        <id name="id" column="id" type="int">
            <generator class="assigned"/>
        </id>
        <property name="nome" type="string"/>
        <property name="email" type="string"/>
        <property name="telefone" column="telefone" type="string"/>
    </class>
</hibernate-mapping>

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
	<session-factory>
		<property name="hibernate.connection.driver_class">
				com.mysql.jdbc.Driver
		</property>
		<property name="hibernate.connection.url">
			jdbc:mysql://localhost:3306/db_java
		</property>
		<property name="hibernate.dialect">
			org.hibernate.dialect.MySQLDialect
		</property>
	<property name="hibernate.connection.username">root</property>
	<property name="hibernate.show_sql">true</property>
	<property name="hibernate.format_sql">true</property>
	<mapping class="app.bean.Pessoa"/>
	</session-factory>
</hibernate-configuration>

package app.bean;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;



@Entity
public class Pessoa {
	@Id
	@GeneratedValue
	private int id;
	private String nome;
	private String email;
	private String telefone;
	
	public String getNome(){
		return nome;
	}
	
	public void setNome(String nome){
		this.nome = nome;
	}
	
	public String getEmail() {
		return email;
	}

	public void setEmail(String email) {
		this.email = email;
	}

	public String getTelefone() {
		return telefone;
	}

	public void setTelefone(String telefone) {
		this.telefone = telefone;
	}

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}
}

public class HibernateFactory {

		private static SessionFactory factory;
		
		//cria configuração para a classe pessoa
		static{
			AnnotationConfiguration cfg = new AnnotationConfiguration();
			cfg.addAnnotatedClass(Pessoa.class);
			factory = cfg.buildSessionFactory();
		}
		
		public Session getSession(){
			return factory.openSession();
		}
}

public class PessoaIncludeHibernate extends Action{
public String nome, email, telefone;
	
	public ActionForward execute(ActionMapping mapping, 
			 ActionForm form,
			 HttpServletRequest req,
			 HttpServletResponse res){
		
		
		Session session = new HibernateFactory().getSession();
		
		//recebe os dados do formulario...
		PessoaForm pessoaForm = (PessoaForm)  form;
		
		nome = pessoaForm.getNome();
		telefone = pessoaForm.getTelefone();
		email = pessoaForm.getEmail();
		
		
		//envia informações para o Bean...
		Pessoa pessoa = new Pessoa();
		
		pessoa.setNome(nome);
		pessoa.setTelefone(telefone);
		pessoa.setEmail(email);
	
		session.save(pessoa);
		session.close();
		
		
		return mapping.findForward("incluir");
	}

Exception in thread "main" java.lang.NoSuchMethodError: org.hibernate.util.ReflectHelper.classForName(Ljava/lang/String;Ljava/lang/Class;)Ljava/lang/Class;
	at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:788)
	at teste.AdicionaEmail.main(AdicionaEmail.java:24)

@Entity
public class Email implements Serializable{
    
    @Id @GeneratedValue
    private int id;
    private String assunto;
    private String texto;
    private String anexo;

   //getters e setters

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
  <session-factory>
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/bdcatalogos</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.connection.password">cadesbarneia</property>
    <mapping class="modelagem.Email"/>
  </session-factory>
</hibernate-configuration>

public class AdicionaEmail {

    public static void main(String[] args) {

        AnnotationConfiguration hibernate = new AnnotationConfiguration();
        hibernate.configure();

        SessionFactory factory = hibernate.buildSessionFactory(); // AQUI ELE GERA A EXCEPTION
        Session sessao = factory.openSession();

        Email email = new Email();
        email.setAssunto("Teste");
        email.setTexto("Teste");
        email.setAnexo("teste");

        Transaction tr = sessao.beginTransaction();
        sessao.save(email);
        tr.commit();

    }
}

public class HibernateUtil {

    private static final SessionFactory sessionFactory;
    
    static {
        try {
            // Create the SessionFactory from standard (hibernate.cfg.xml) 
            // config file.
            sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
        } catch (Throwable ex) {
            // Log the exception. 
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }
    
    public static Session getSessionFactory() {
        return sessionFactory.openSession();
    }
}

Session sessao = new HibernateUtil().getSessionFactory();