网站换一个图片怎么做,湖北网站seo策划,华容网站建设,wordpress做什么Feign默认已经整合了Hystrix#xff0c;本节详细探讨Feign使用Hystrix的具体细节。服务降级1 加配置#xff0c;默认Feign是不启用Hystrix的#xff0c;需要添加如下配置启用Hystrix#xff0c;这样所有的Feign Client都会受到Hystrix保护#xff01;feign:hystrix:enable… Feign默认已经整合了Hystrix本节详细探讨Feign使用Hystrix的具体细节。服务降级1 加配置默认Feign是不启用Hystrix的需要添加如下配置启用Hystrix这样所有的Feign Client都会受到Hystrix保护feign: hystrix: enabled: true2 提供FallbackFeignClient(name microservice-provider-user, fallback UserFeignClientFallback.class)public interface UserFeignClient { GetMapping(/users/{id}) User findById(PathVariable(id) Long id);}Componentclass UserFeignClientFallback implements UserFeignClient { Override public User findById(Long id) { return new User(id, 默认用户, 默认用户, 0, new BigDecimal(1)); }}获得造成fallback的原因FeignClient(name microservice-provider-user, fallbackFactory UserFeignClientFallbackFactory.class)public interface UserFeignClient { GetMapping(/users/{id}) User findById(PathVariable(id) Long id);}ComponentSlf4jclass UserFeignClientFallbackFactory implements FallbackFactoryUserFeignClient { Override public UserFeignClient create(Throwable throwable) { return new UserFeignClient() { Override public User findById(Long id) { log.error(进入回退逻辑, throwable); return new User(id, 默认用户, 默认用户, 0, new BigDecimal(1)); } }; }}Feign启用/禁用Hystrix全局启用feign.hystrix.enabled: true全局禁用feign.hystrix.enabled: false或直接省略不写。局部启用利用Feign配置的自定义为指定Feign Client指定如下配置类即可Feign配置自定义详见跟我学Spring Cloud(Finchley版)-10-Feign深入public class FeignDisableHystrixConfiguration { Bean Scope(prototype) public HystrixFeign.Builder feignBuilder() { return HystrixFeign.builder(); }}局部禁用public class FeignDisableHystrixConfiguration { Bean Scope(prototype) public Feign.Builder feignBuilder() { return Feign.builder(); }}配套代码服务降级1 GitHubhttps://github.com/eacdy/spring-cloud-study/tree/master/2018-Finchley/microservice-consumer-movie-feign-hystrix2 Giteehttps://gitee.com/itmuch/spring-cloud-study/tree/master/2018-Finchley/microservice-consumer-movie-feign-hystrix获得造成fallback的原因1 GitHubhttps://github.com/eacdy/spring-cloud-study/tree/master/2018-Finchley/microservice-consumer-movie-feign-hystrix-fallback-factory2 Giteehttps://gitee.com/itmuch/spring-cloud-study/tree/master/2018-Finchley/microservice-consumer-movie-feign-hystrix-fallback-factory相关热文实用技巧Hystrix传播ThreadLocal对象(两种方案)生产技巧Feign如何控制Hystrix的启停、超时、熔断Hystrix停止开发我们该何去何从Spring Cloud 源码学习之 Hystrix 熔断器Spring Cloud Edgware新特性之二如何配置Zuul的Hystrix线程池跟我学Spring Cloud(Finchley版)-12-微服务容错三板斧跟我学Spring Cloud(Finchley版)-13-通用方式使用Hystrix您的关注是对我最大的支持
