@NamedQueries({
        @NamedQuery(
                name = "Domain.selectAll",
                query = "SELECT DISTINCT d" +
                        "  FROM Domain d" +
                        "  LEFT JOIN FETCH d.servers s")
})
@Entity
public class Domain {
    @Id
    @GeneratedValue
    private Long id;

    @ManyToOne
    private Privilege privilege;

    @Version
    private Integer rowVersion;

    @OneToMany(mappedBy = "domain")
    private Set<Server> servers;
}

@Entity
public class Privilege {
    @Id
    @GeneratedValue
    private Long id;

    @ManyToOne(fetch = FetchType.LAZY)
    private Domain domain;

    @ManyToOne(fetch = FetchType.LAZY)
    private Server server;

    @Version
    private Integer rowVersion;
}

@Test
public void hhh123Test() throws Exception {
    EntityManager entityManager = entityManagerFactory.createEntityManager();
    entityManager.getTransaction().begin();

    // Load all domains - a TransientObjectException is thrown
    List<Domain> domains =
            entityManager.createNamedQuery("Domain.selectAll", Domain.class)
                    .getResultList();

    entityManager.getTransaction().commit();
    entityManager.close();
}