Erro ao tentar conectar no banco de dados via classe main, Banco GDB utilizando Firebird 2.0

Programação Java
#1

Esse erro aparece quando executo meu projeto. (DeskTop)

javax.persistence.PersistenceException: org.hibernate.MappingException: Repeated column in mapping for entity: Class.ClCefidorto column: HANDLEORTO (should be mapped with insert=“false” update=“false”)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:737)
at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33)
at DAO.ConexaoSingleton.(ConexaoSingleton.java:23)
at DAO.ConexaoSingleton.getConexao(ConexaoSingleton.java:30)
at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:28)
at teste.Main.main(Main.java:28)
Caused by: org.hibernate.MappingException: Repeated column in mapping for entity: Class.ClCefidorto column: HANDLEORTO (should be mapped with insert=“false” update=“false”)
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:652)
at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:674)
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:696)
at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:450)
at org.hibernate.mapping.RootClass.validate(RootClass.java:192)
at org.hibernate.cfg.Configuration.validate(Configuration.java:1102)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1287)
at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:915)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:730)
… 7 more
java.lang.NullPointerException
at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:30)
at teste.Main.main(Main.java:28)
Exception in thread “main” DAO.DAOException: Nao foi possivel consultar Pessoa
at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:35)
at teste.Main.main(Main.java:28)
Caused by: java.lang.NullPointerException
at DAO.CadastroDAO.ListaPaciente(CadastroDAO.java:30)
… 1 more
Java Result: 1

public class Main {

/**
 * @param args the command line arguments
 */
public static void main(String[] args) throws DAOException {
    // TODO code application logic here

// Cadastro c = new Cadastro();
// //c.setIdcadastro(1);
// c.setTexto(“Testess”);
// CadastroDAO dao = new CadastroDAO();
CadastroDAO dao = new CadastroDAO();
List pacientes = dao.ListaPaciente();
System.out.println("Lista " + pacientes);
try {
//dao.salvar©;
} catch (Exception ex) {
System.out.println("ERRO " + ex.getMessage());
}

}

}

Classe de conexão

package DAO;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

/**
*

  • @author Rafael
    */
    public class ConexaoSingleton {
    private static ConexaoSingleton conexao;
    private EntityManager manager;
    private EntityManagerFactory emf;

    private ConexaoSingleton() throws Exception{
    this.emf = Persistence.createEntityManagerFactory(“testePU”);//banco
    this.manager = emf.createEntityManager();

    }
    public static EntityManager getConexao()throws Exception{
    try{
    if (conexao == null){
    conexao = new ConexaoSingleton();
    }

     }catch(Exception ex){
     ex.printStackTrace();
     return null;  
 }
 return conexao.manager;

    }

}

#2