当前使用版本(必填,否则不予处理)

当前版本mp3.3.0

该问题是如何引起的?(确定最新版也有问题再提!!!)

当在MetaObjectHandler实现类里注入同级的服务类时(此被注入的服务类注入了Mapper查询数据库)

重现步骤(如果有就写完整)

@Component
public class MetaObjectHandlerImpl implements MetaObjectHandler {
    @Autowired
    UserService userService;

    @Override
    public void insertFill(MetaObject metaObject) {
        HttpServletRequest httpServletRequest = RequestUtils.getRequest();
        User user = userService.getCurrentUser(httpServletRequest);
        this.strictInsertFill(metaObject, "createName", String.class, user.getUserName());
        this.strictInsertFill(metaObject, "createDateTime", LocalDateTime.class, DateUtils.getSHANowTime());
        this.strictInsertFill(metaObject, "updateName", String.class, user.getUserName());
        this.strictInsertFill(metaObject, "updateDateTime", LocalDateTime.class, DateUtils.getSHANowTime());
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        HttpServletRequest httpServletRequest = RequestUtils.getRequest();
        User user = userService.getCurrentUser(httpServletRequest);
        this.strictInsertFill(metaObject, "updateName", String.class, user.getUserName());
        this.strictInsertFill(metaObject, "updateDateTime", LocalDateTime.class, DateUtils.getSHANowTime());
    }
}


@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;

    @Override
    @DS("***")
    public User getUserById(String Id) {
        return userMapper.getUserById(Id);
    }

    @Override
    @DS("***")
    public User getCurrentUser(HttpServletRequest request){

        String userId = getCurrentId(request);
        return userMapper.getUserById(userId);
    }

    @Override
    public String getCurrentId(HttpServletRequest request){
        //****
    }
}

报错信息

┌─────┐ | sqlSessionFactory defined in class path resource [com/baomidou/mybatisplus/autoconfigur/MybatisPlusAutoConfiguration.class] ↑ ↓ | metaObjectHandlerImpl (field) ↑ ↓ | userServiceImpl (field private ) ↑ ↓ | userMapper defined in file [] └─────┘

Comment From: miemieYaho

自己处理