在将EntityManager自动装入服务时，FactoryBeanNotInitializedException

Question

问题：在将FactoryBeanNotInitializedException注入服务时尝试解决EntityManager异常时从何处开始？

代码：

@Service
public class MyService {
    ....
    @Autowired
    private EntityManager entityManager;

例外：

org.springframework.beans.factory.FactoryBeanNotInitializedException: FactoryBean is not fully initialized yet

Answer 1

试 @PersistenceContext（的unitName =＆＃34; puName＆＃34） EntityManager em;

并确保必须注册EntityManager ...

Answer 2

尝试@PersistenceContext而不是@Autowired