Spring Cloud Openfeign Dependency Cycle reported when feign service used on both interceptor and spring service

Describe the bug I had a custom interceptor,and i tried to put a feign service on both interceptor and spring service,but it make a mistaken,my appliction startup fail, about The dependencies of some of the beans in the application context form a cycle.

Sample My interceptor.

@Slf4j
public class MultitenancyWebInterceptor extends MultitenancyWebInterceptorAdapter {
    private long lastStamp = -1L;

    @Autowired
    private RedisHelper redisHelper;

    @Autowired
    private FeignService feignService;

...
}

My default configuration.

@Configuration
public class DefaultConfiguration {
    @Bean
    @ConditionalOnMissingBean
    public MultitenancyWebInterceptorAdapter multitenancyWebInterceptorAdapter() {
        return new MultitenancyWebInterceptor();
    }
}

My web configuration.

@Configuration
public class MultitenancyWebInterceptorConfig implements WebMvcConfigurer {

    @Autowired
    private MultitenancyWebInterceptorAdapter multitenancyWebInterceptorAdapter;

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(multitenancyWebInterceptorAdapter).addPathPatterns("/**");
        WebMvcConfigurer.super.addInterceptors(registry);
    }
}

My spring service.

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    private FeignService feignService;
...
}

The application log.

   userAdminContorller (field private a.service.UserService a.controller.admin.UserAdminContorller.userService)
      ↓
   userServiceImpl (field private b.service.FeignService a.service.impl.UserServiceImpl.feignService)
┌─────┐
|  b.service.feignService
↑     ↓
|  org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration
↑     ↓
|  multitenancyWebInterceptorConfig (field private b.assembly.interceptor.MultitenancyWebInterceptorAdapter b.property.config.MultitenancyWebInterceptorConfig.multitenancyWebInterceptorAdapter)
↑     ↓
|  multitenancyWebInterceptorAdapter (field private b.service.FeignService b.assembly.interceptor.MultitenancyWebInterceptor.feignService)
↑     ↓
|  mvcResourceUrlProvider
└─────┘

I tried to get the bean using ApplicationContext in MultitenancyWebInterceptor, application can start, but the FeignService is null.

I tried to put the feign service in MultitenancyWebInterceptor only,or put the feign service in UserServiceImpl only,it can work, but i want to use both of them.

Comment From: zero3h

I got a test that when i move b.service.FeignService to a.service.FeignService, it can work.Buit i want to put it in different package.I just want to define the feign service as base service.

Comment From: spencergibb

Inject an ObjectProvider<FeignClient>

Comment From: zero3h

It work!!! Thank you sooo much.I thank i got a knowledge of the new characteristics for spring 4.3.

Like this:

@Slf4j
public class MultitenancyWebInterceptor extends MultitenancyWebInterceptorAdapter {
    @Autowired
    private ObjectProvider<FeignService> objectProvider;

        @Override
    public boolean way {
                ...
                objectProvider.getIfUnique().xxx();
                ...
        }
}

Comment From: nuvan

Hi all. Sorry for digging this ticket again but what's the difference between an ObjectProvider vs using @Lazy when Autowiring the field in this context?