nacos启动错误

Question

2023-04-24 23:52:48.599 ERROR 15880 — [ main] c.a.c.n.registry.NacosServiceRegistry : nacos registry, imooc-red-book-nacos register failed…NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr=‘192.168.146.128:8848’, endpoint=’’, namespace=’’, watchDelay=30000, logName=’’, service=‘imooc-red-book-nacos’, weight=1.0, clusterName=‘DEFAULT’, group=‘DEFAULT_GROUP’, namingLoadCacheAtStart=‘false’, metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip=‘172.16.1.192’, networkInterface=’’, port=8099, secure=false, accessKey=’’, secretKey=’’, heartBeatInterval=null, heartBeatTimeout=null, ipDeleteTimeout=null}},

com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([192.168.146.128:8848]) tried: java.net.ConnectException: Connection refused: connect
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:556) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:498) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:493) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:246) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:212) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:74) ~[spring-cloud-starter-alibaba-nacos-discovery-2.2.5.RELEASE.jar:2.2.5.RELEASE]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:232) [spring-cloud-commons-3.0.4.jar:3.0.4]
at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:78) [spring-cloud-starter-alibaba-nacos-discovery-2.2.5.RELEASE.jar:2.2.5.RELEASE]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:133) [spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:98) [spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:86) [spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47) [spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:421) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:378) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.boot.web.servlet.context.WebServerStartStopLifecycle.start(WebServerStartStopLifecycle.java:46) [spring-boot-2.5.4.jar:2.5.4]
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54)[spring-context-5.3.9.jar:5.3.9]atorg.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) [spring-context-5.3.9.jar:5.3.9]
at java.lang.Iterable.forEach(Iterable.java:75) ~[na:1.8.0_144]
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) [spring-context-5.3.9.jar:5.3.9]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:338) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1332) ~[spring-boot-2.5.4.jar:2.5.4]
at com.imooc.Application.main(Application.java:17) ~[classes/:na]

2023-04-24 23:52:48.600 WARN 15880 — [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.context.ApplicationContextException: Failed to start bean ‘webServerStartStop’; nested exception is java.lang.reflect.UndeclaredThrowableException
2023-04-24 23:52:57.878 INFO 15880 — [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat]
2023-04-24 23:52:57.889 INFO 15880 — [ main] ConditionEvaluationReportLoggingListener :

Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug’ enabled.
2023-04-24 23:52:57.908 ERROR 15880 — [ main] o.s.boot.SpringApplication : Application run failed

org.springframework.context.ApplicationContextException: Failed to start bean ‘webServerStartStop’; nested exception is java.lang.reflect.UndeclaredThrowableException
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54)[spring-context-5.3.9.jar:5.3.9]atorg.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.9.jar:5.3.9]
at java.lang.Iterable.forEach(Iterable.java:75) ~[na:1.8.0_144]
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) [spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434) [spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:338) [spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) [spring-boot-2.5.4.jar:2.5.4]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1332) [spring-boot-2.5.4.jar:2.5.4]
at com.imooc.Application.main(Application.java:17) [classes/:na]
Caused by: java.lang.reflect.UndeclaredThrowableException: null
at org.springframework.util.ReflectionUtils.rethrowRuntimeException(ReflectionUtils.java:147) ~[spring-core-5.3.9.jar:5.3.9]
at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:83) ~[spring-cloud-starter-alibaba-nacos-discovery-2.2.5.RELEASE.jar:2.2.5.RELEASE]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.register(AbstractAutoServiceRegistration.java:232) ~[spring-cloud-commons-3.0.4.jar:3.0.4]
at com.alibaba.cloud.nacos.registry.NacosAutoServiceRegistration.register(NacosAutoServiceRegistration.java:78) ~[spring-cloud-starter-alibaba-nacos-discovery-2.2.5.RELEASE.jar:2.2.5.RELEASE]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.start(AbstractAutoServiceRegistration.java:133) ~[spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.bind(AbstractAutoServiceRegistration.java:98) ~[spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:86) ~[spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.cloud.client.serviceregistry.AbstractAutoServiceRegistration.onApplicationEvent(AbstractAutoServiceRegistration.java:47) ~[spring-cloud-commons-3.0.4.jar:3.0.4]
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:176) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:169) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:143) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:421) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:378) ~[spring-context-5.3.9.jar:5.3.9]
at org.springframework.boot.web.servlet.context.WebServerStartStopLifecycle.start(WebServerStartStopLifecycle.java:46) ~[spring-boot-2.5.4.jar:2.5.4]
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ~[spring-context-5.3.9.jar:5.3.9]
… 14 common frames omitted
Caused by: com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([192.168.146.128:8848]) tried: java.net.ConnectException: Connection refused: connect
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:556) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:498) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.reqApi(NamingProxy.java:493) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.net.NamingProxy.registerService(NamingProxy.java:246) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.nacos.client.naming.NacosNamingService.registerInstance(NacosNamingService.java:212) ~[nacos-client-1.4.1.jar:na]
at com.alibaba.cloud.nacos.registry.NacosServiceRegistry.register(NacosServiceRegistry.java:74) ~[spring-cloud-starter-alibaba-nacos-discovery-2.2.5.RELEASE.jar:2.2.5.RELEASE]
… 27 common frames omitted

启动完就是报错这个错误，而配置文件的格式也试过复制源码的过去然后对ip进行修改，但是依然存在错误

Answer 1

风间影月 2023-04-24 23:56:13

能在nacos里看到注册的微服务吗？

• 提问者 慕后端123530 #1

  浏览器访问的nacos控制台也看不到注册的微服务

• 提问者 慕后端123530 #2

  请问会是哪里出现问题

• 风间影月 回复 提问者 慕后端123530 #3

  重新安装nacos把，看不出问题所在。这玩意就是两个步骤。保证安装正确以及代码配置正确。就这两点。