启动springcloud服务中心，提示这个错误：Cannot execute request on any known server

网上一般说是修改application.properties配置文件，添加如下内容：

eureka.client.registerWithEureka:false

eureka.client.fetchRegistry:false

看了一下，我是有这些内容的。然后就各种折腾，后来把端口号从8080改成8088就可以了，昨天用8080还是好的，端口被占用了？好像也没有。先不管它了，能启动就行~~

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