com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known serve

SpringCloud 的eureka服务端，它默认会为自己注册到服务端，所以才会报这个错：

可以在application.yml做这样设置：

eureka:
  client:
    fetch-registry: false 

它默认是true，我们把它改为fasle就好了