try {
    session.beginTransaction();
    session.saveOrUpdate(entity);
    session.getTransaction().commit();
} catch (javax.validation.ConstraintViolationException cve) {
    try {
        if (session.getTransaction().isActive()) {
            session.getTransaction().rollback();
        }
    } catch (Exception exc) {
        LOGGER.log(Level.WARNING,"Falló al hacer un rollback", exc);
    }
    throw new BussinessException(cve);            
} catch (org.hibernate.exception.ConstraintViolationException cve) {
    try {
        if (session.getTransaction().isActive()) {
            session.getTransaction().rollback();
        }
    } catch (Exception exc) {
        LOGGER.log(Level.WARNING,"Falló al hacer un rollback", exc);
    }
    throw new BussinessException(cve);
} catch (BussinessException ex) {
    try {
        if (session.getTransaction().isActive()) {
            session.getTransaction().rollback();
        }
    } catch (Exception exc) {
        LOGGER.log(Level.WARNING,"Falló al hacer un rollback", exc);
    }
    throw ex;               
} catch (RuntimeException ex) {
    try {
        if (session.getTransaction().isActive()) {
            session.getTransaction().rollback();
        }
    } catch (Exception exc) {
        LOGGER.log(Level.WARNING,"Falló al hacer un rollback", exc);
    }
    throw ex;
} catch (Exception ex) {
    try {
        if (session.getTransaction().isActive()) {
            session.getTransaction().rollback();
        }
    } catch (Exception exc) {
        LOGGER.log(Level.WARNING,"Falló al hacer un rollback", exc);
    }
    throw new RuntimeException(ex);
}