按照步骤改造sentinel控制台失败..
来源：8-19 规则持久化02-推模式
Demnz
2019-08-05
已经清空了浏览器缓存,重启几次了…,还是不行
写回答
2回答
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您好，从异常来看，你的Sentinel控制台无法连接Nacos。
java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/service/list after all servers([localhost:8848]) tried: failed to req API:http://localhost:8848/nacos/v1/ns/service/list. code:500 msg: java.net.ConnectException: Connection refused: connect
建议下载懒人包，对比一下代码：
https://github.com/eacdy/Sentinel-Dashboard-Nacos/releases
所有的代码改造都在这里可以看到：
https://github.com/eacdy/Sentinel-Dashboard-Nacos/commit/853c5d88b219997efdbc75cecb036af73961625b
032019-08-05 -
Demnz
提问者
2019-08-05
控制台出现了这种错误提示...
2019-08-05 11:22:45.509 ERROR 8908 --- [TaskScheduler-1] o.s.c.a.nacos.discovery.NacosWatch : Error watching Nacos Service change java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/service/list after all servers([localhost:8848]) tried: failed to req API:http://localhost:8848/nacos/v1/ns/service/list. code:500 msg: java.net.ConnectException: Connection refused: connect at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:380) ~[nacos-client-1.0.0.jar:na] at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:346) ~[nacos-client-1.0.0.jar:na] at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:294) ~[nacos-client-1.0.0.jar:na] at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:276) ~[nacos-client-1.0.0.jar:na] at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:252) ~[nacos-client-1.0.0.jar:na] at com.alibaba.nacos.client.naming.NacosNamingService.getServicesOfServer(NacosNamingService.java:525) ~[nacos-client-1.0.0.jar:na] at org.springframework.cloud.alibaba.nacos.discovery.NacosWatch.nacosServicesWatch(NacosWatch.java:127) ~[spring-cloud-alibaba-nacos-discovery-0.9.0.RELEASE.jar:0.9.0.RELEASE] at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-5.1.8.RELEASE.jar:5.1.8.RELEASE] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_171] at java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:308) ~[na:1.8.0_171] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java) ~[na:1.8.0_171] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_171] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) ~[na:1.8.0_171] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_171] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_171] at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_171]
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