As i told you i found my error in classes with the @stateless. This is what i
do at one of this classes.
package com.satdatatelecom.satdataweb.model.empresafachada.ejb;
import java.rmi.RemoteException;
import java.util.Collection;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import util.exceptions.DuplicateInstanceException;
import util.exceptions.InstanceNotFoundException;
import util.exceptions.InternalErrorException;
com.satdatatelecom.satdataweb.model.usuariofachada.exceptions.UsuarioNotFoundException;
import com.satdatatelecom.satdataweb.model.util.GlobalNames;
@Stateless
public class EmpresaFacadeEJB implements LocalEmpresaFacade,
RemoteEmpresaFacade{
@PersistenceContext (unitName=GlobalNames.PERSISTENCE_UNIT)
private EntityManager entityManager;
public EmpresaFacadeEJB(){
}
package com.satdatatelecom.satdataweb.model.util;
public final class GlobalNames {
public static final String SATDATAWEB_DATA_SOURCE = "MSSQLDSSATDATAWEB";
public static final String PERSISTENCE_UNIT = "SatDataWeb";
private GlobalNames () {}
}
and my persistance.xml:
<?xml version="1.0" encoding="UTF-8"?>
<persistence-unit name="SatDataWeb">
<!-- SQLServer -->
<jta-data-source>java:/MSSQLDSSATDATAWEB</jta-data-source>
<!-- SQLServer -->
</persistence-unit>
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