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  • |ERROR |ThreadPoolTaskScheduler-1 |NacosWatch.java:171 |org.springframework.cloud.alibaba.nacos.discovery.NacosWatch |Error watching Nacos Service change

    现在项目启动时候报错

    如图:

    2020-08-16 11:09:08 |ERROR |ThreadPoolTaskScheduler-1 |NacosWatch.java:171 |org.springframework.cloud.alibaba.nacos.discovery.NacosWatch |Error watching Nacos Service change
    java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/service/list after all servers([127.0.0.1:8848]) tried: failed to req API:http://127.0.0.1:8848/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)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:346)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:294)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:276)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:252)
        at com.alibaba.nacos.client.naming.NacosNamingService.getServicesOfServer(NacosNamingService.java:525)
        at org.springframework.cloud.alibaba.nacos.discovery.NacosWatch.nacosServicesWatch(NacosWatch.java:127)
        at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        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)
    2020-08-16 11:09:09 |ERROR |main |NacosServiceRegistry.java:68 |org.springframework.cloud.alibaba.nacos.registry.NacosServiceRegistry |nacos registry, service-edu register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='127.0.0.1:8848', endpoint='', namespace='', watchDelay=30000, logName='', service='service-edu', weight=1.0, clusterName='DEFAULT', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.211.1', networkInterface='', port=8001, secure=false, accessKey='', secretKey=''}},
    java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848]) tried: failed to req API:http://127.0.0.1:8848/nacos/v1/ns/instance. code:500 msg: java.net.ConnectException: Connection refused: connect
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:380)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:304)
        at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:186)
        at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:298)
        at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:279)
        at org.springframework.cloud.alibaba.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:63)
        at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:239)
        at org.springframework.cloud.alibaba.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:74)
        at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:138)
        at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:101)
        at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:88)
        at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
        at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:403)
        at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:360)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:165)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:553)
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141)
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
        at com.atguigu.eduservice.EduApplication.main(EduApplication.java:16)
    2020-08-16 11:09:11 |INFO  |main |InetUtils.java:170 |org.springframework.cloud.commons.util.InetUtils |Cannot determine local hostname
    2020-08-16 11:09:11 |INFO  |main |StartupInfoLogger.java:61 |com.atguigu.eduservice.EduApplication |Started EduApplication in 20.78 seconds (JVM running for 22.402)
    2020-08-16 11:09:40 |ERROR |ThreadPoolTaskScheduler-1 |NacosWatch.java:171 |org.springframework.cloud.alibaba.nacos.discovery.NacosWatch |Error watching Nacos Service change
    java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/service/list after all servers([127.0.0.1:8848]) tried: failed to req API:http://127.0.0.1:8848/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)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:346)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:294)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:276)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:252)
        at com.alibaba.nacos.client.naming.NacosNamingService.getServicesOfServer(NacosNamingService.java:525)
        at org.springframework.cloud.alibaba.nacos.discovery.NacosWatch.nacosServicesWatch(NacosWatch.java:127)
        at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
    2020-08-16 11:10:12 |ERROR |ThreadPoolTaskScheduler-1 |NacosWatch.java:171 |org.springframework.cloud.alibaba.nacos.discovery.NacosWatch |Error watching Nacos Service change
    java.lang.IllegalStateException: failed to req API:/nacos/v1/ns/service/list after all servers([127.0.0.1:8848]) tried: failed to req API:http://127.0.0.1:8848/nacos/v1/ns/service/list. code:500 msg: java.net.ConnectException: Connection refused: connect
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:380)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:346)
        at com.alibaba.nacos.client.naming.net.NamingProxy.reqAPI(NamingProxy.java:294)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:276)
        at com.alibaba.nacos.client.naming.net.NamingProxy.getServiceList(NamingProxy.java:252)
        at com.alibaba.nacos.client.naming.NacosNamingService.getServicesOfServer(NacosNamingService.java:525)
        at org.springframework.cloud.alibaba.nacos.discovery.NacosWatch.nacosServicesWatch(NacosWatch.java:127)
        at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        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)
    
    Process finished with exit code -1

    原因:nacos没有启动

     windows下启动startup.cmd

    问题解决了

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  • 原文地址:https://www.cnblogs.com/ooo888ooo/p/13511911.html
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