[问题记录] com.netflix.hystrix.exception.HystrixRuntimeException timed-out and no fallback available.

1. 报错描述

服务重启后第一次访问调用Feign接口会503，走熔断器的fallback

打一次断点后再访问就没有问题，服务重启后第一次访问打断点也是503

2. 解决方案

Hystrix缺省超时判断为1秒钟，由于网络问题，有些请求超过1秒钟之后才接收到

增加响应时间即可

hystrix:
  command:
    default:
      execution:
        isolation:
          thread:
            timeoutInMilliseconds: 10000 #超时设置10s

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HystrixRuntimeException available exception timed-out fallbackhystrixruntimeexception exception timed-out hystrixruntimeexception available exception timed-out hystrixruntimeexception fallback 缓存fallback机制 blockhandler sentinel fallback specified fallback endpoint blazor fallback sentinel feign springcloud openfeign sentinel fallback