Nacos 又报错： [NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has b

好好地， nacos 又不行了：

20 11:36:16 ERROR[10.97.125.2_8848] ig.http.ServerHttpAgent.httpPost:165 [SYSTEM]: [NACOS ConnectException httpPost] currentServerAddr: http://10.97.125.2:8848, err : Connection refused (Connection refused)
20 11:36:16 ERROR[10.97.125.2_8848] ig.http.ServerHttpAgent.httpPost:165 [SYSTEM]: [NACOS ConnectException httpPost] currentServerAddr: http://10.97.125.2:8848, err : Connection refused (Connection refused)
20 11:36:16 ERROR[10.97.125.2_8848] ig.http.ServerHttpAgent.httpPost:165 [SYSTEM]: [NACOS ConnectException httpPost] currentServerAddr: http://10.97.125.2:8848, err : Connection refused (Connection refused)
20 11:36:16 ERROR[10.97.125.2_8848] ig.http.ServerHttpAgent.httpPost:165 [SYSTEM]: [NACOS ConnectException httpPost] currentServerAddr: http://10.97.125.2:8848, err : Connection refused (Connection refused)
20 11:36:16 ERROR[10.97.125.2_8848] lientWorker.checkUpdateConfigStr:478 [SYSTEM]: [fixed-10.97.125.2_8848] [check-update] get changed dataId exception
java.net.ConnectException: [NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has been reached
at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpPost(ServerHttpAgent.java:180)
at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpPost(MetricsHttpAgent.java:68)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateConfigStr(ClientWorker.java:465)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateDataIds(ClientWorker.java:432)
at com.alibaba.nacos.client.config.impl.ClientWorker$LongPollingRunnable.run(ClientWorker.java:620)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
20 11:36:16 ERROR[10.97.125.2_8848] ntWorker$LongPollingRunnable.run:664 [SYSTEM]: longPolling error :
java.net.ConnectException: [NACOS HTTP-POST] The maximum number of tolerable server reconnection errors has been reached
at com.alibaba.nacos.client.config.http.ServerHttpAgent.httpPost(ServerHttpAgent.java:180)
at com.alibaba.nacos.client.config.http.MetricsHttpAgent.httpPost(MetricsHttpAgent.java:68)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateConfigStr(ClientWorker.java:465)
at com.alibaba.nacos.client.config.impl.ClientWorker.checkUpdateDataIds(ClientWorker.java:432)
at com.alibaba.nacos.client.config.impl.ClientWorker$LongPollingRunnable.run(ClientWorker.java:620)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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)

有时候是这样的错误：

17 19:00:03 ERROR[ming.beat.sender] aming.net.NamingProxy.callServer:613 [SYSTEM]: [NA] failed to request
java.net.SocketTimeoutException: connect timed out
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at sun.net.www.http.HttpClient.New(HttpClient.java:339)
at sun.net.www.http.HttpClient.New(HttpClient.java:357)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
at com.alibaba.nacos.common.http.client.request.JdkHttpClientRequest.execute(JdkHttpClientRequest.java:109)
at com.alibaba.nacos.common.http.client.NacosRestTemplate.execute(NacosRestTemplate.java:482)
at com.alibaba.nacos.common.http.client.NacosRestTemplate.exchangeForm(NacosRestTemplate.java:427)
at com.alibaba.nacos.client.naming.net.NamingProxy.callServer(NamingProxy.java:599)
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:524)
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:491)
at com.alibaba.nacos.client.naming.net.NamingProxy.sendBeat(NamingProxy.java:426)
at com.alibaba.nacos.client.naming.beat.BeatReactor$BeatTask.run(BeatReactor.java:167)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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)

这个是由于中途连不上 nacos ,   那么这样的错误:

莫慌莫慌， 其实呢， 原因就是 应用启动的时候,  nacos 的ip 配置错误, 导致连不上； 通常是由于nacos ip 发生了变化的原因导致的！