package org.example.dao;

public interface UserDAO {
    void addUser(User user);
}

@Repository
public class UserDAOImpl implements UserDAO {
    public void addUser(User user) {
        throw new HibernateException("unchecked exception");
    }
}

package org.example.services;

public interface UserService {
    void addUser(User user);
}

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDAO userDAO;

    @Override
    public void addUser(User user) {
        try {
            userDAO.addUser(user);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

<bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"/>