was unable to refresh its cache! status = Cannot execute request on any known server

com.sun.jersey.api.client.ClientHandlerException: java.net.ConnectException: Connection refused: connect
2018  WARN 6864 --- [main] RetryableEurekaHttpClient: Request execution failure

 2018 ERROR 6864 --- [main] com.netflix.discovery.DiscoveryClient : DiscoveryClient_UNKNOWN/DESKTOP-MQ8D0C9:8761 > - was unable to refresh its cache! status = Cannot execute request on any known server 

出现这种错误是因为:

Eureka服务注册中心也会将自己作为客户端来尝试注册它自己，所以我们需要禁用它的客户端注册行为。 禁止方式如下:

在 yml中设置

eureka.client.register-with-eureka=false
eureka.client.fetch-registry=false

springcloud,springcloud alibaba 示例代码以及常见问题汇总

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