@EnableDiscoveryClient
@EnableCircuitBreaker
@EnableFeignClients
@SpringBootApplication
public class WebappApplication{
   
    public static void main(String[] args) {
        SpringApplication.run(WebappApplication.class, args);
    }
}
    @EnableDiscoveryClient
@EnableCircuitBreaker
@EnableFeignClients
@SpringBootApplication
public class WebappApplication implements BeanFactoryPostProcessor {
    @Override
    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
        BeanDefinition bd = beanFactory.getBeanDefinition("feignContext");
        bd.setDependsOn("eurekaServiceRegistry", "inetUtils");
    }
    public static void main(String[] args) {
        SpringApplication.run(WebappApplication.class, args);
    }
}
     - 我是执行后发现tomcat 端口被占用, 然后win中查看端口也没发现端口被占用, 索性就换了个端口, 然后run, 然后就Congratulations!!!!!!   
 - 更    
     - 发现用cmd 找不到的端口      
       netstat -ano| findstr "8002"              
      - 而用powershell 却可以      
       Get-Process -Id (Get-NetTCPConnection -LocalPort 8002).OwningProcess              
      - 然后kill 一波          
 
    - 参考链接: https://github.com/spring-cloud/spring-cloud-netflix/issues/1952#issuecomment-322669642   
 - 参考链接: https://winaero.com/blog/kill-process-windows-10/