注册中心报错was unable to refresh its cache! status = Cannot execute request on any known server-Toy模板网

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错误日志如下：

2023-02-16 14:37:27.527 WARN 119653 --- [freshExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: java.net.SocketTimeoutException: Read timed out
2023-02-16 14:37:27.527 ERROR 119653 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_WXSMALLPROGRAM/xxx:443/wxsmallprogram - was unable to refresh its cache! status = Cannot execute request on any known server

com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:111)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getDelta(EurekaHttpClientDecorator.java:149)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$7.execute(EurekaHttpClientDecorator.java:152)
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77)
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getDelta(EurekaHttpClientDecorator.java:149)
at com.netflix.discovery.DiscoveryClient.getAndUpdateDelta(DiscoveryClient.java:1061)
at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:943)
at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1465)
at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1432)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748

问题描述：服务发布时正常，过了几天突然无法访问：

分析过程：检查eureka服务端是否正常，登陆之后，发现服务器因为系统升级自动重启；

温馨提示：一定要用稳定版本的系统，做服务器；例如winserver2008/2012/2016,linux。不然会体会因为操作系统升级，电脑关机，服务自动关闭。

检查过程：重新启动，做业务测试；文章来源地址https://www.toymoban.com/news/detail-669817.html

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