1、nacos报错Client not connected,current status:STARTING,StatusRuntimeException

2、Custom destroy method 'close' on bean with name 'nacosServiceRegistry'

3、com.alibaba.nacos.api.exception.NacosException: Request nacos server failed

2022-08-30 17:48:25.206 ERROR 26174 --- [           main] c.a.cloud.nacos.discovery.NacosWatch     : namingService subscribe failed, properties:NacosDiscoveryProperties{serverAddr='localhost:8848', endpoint='', namespace='public', watchDelay=30000, logName='', service='alibaba-provider', weight=1.0, clusterName='DEFAULT', group='DEFAULT_GROUP', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.2.31', networkInterface='', port=-1, secure=false, accessKey='', secretKey='', heartBeatInterval=null, heartBeatTimeout=null, ipDeleteTimeout=null, failFast=true}
com.alibaba.nacos.api.exception.NacosException: Request nacos server failed: 
    at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.requestToServer(NamingGrpcClientProxy.java:279) ~[nacos-client-2.0.3.jar:na]
    at com.alibaba.nacos.client.naming.remote.gprc.NamingGrpcClientProxy.requestToServer(NamingGrpcClientProxy.java:269) ~[nacos-client-2.0.3.jar:na]
    ... 20 common frames omitted
2022-08-30 17:48:25.238  INFO 26174 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2022-08-30 17:48:25.567 ERROR 26174 --- [           main] c.a.c.n.registry.NacosServiceRegistry    : nacos registry, alibaba-provider register failed...NacosRegistration{nacosDiscoveryProperties=NacosDiscoveryProperties{serverAddr='localhost:8848', endpoint='', namespace='public', watchDelay=30000, logName='', service='alibaba-provider', weight=1.0, clusterName='DEFAULT', group='DEFAULT_GROUP', namingLoadCacheAtStart='false', metadata={preserved.register.source=SPRING_CLOUD}, registerEnabled=true, ip='192.168.2.31', networkInterface='', port=8080, secure=false, accessKey='', secretKey='', heartBeatInterval=null, heartBeatTimeout=null, ipDeleteTimeout=null, failFast=true}},
com.alibaba.nacos.api.exception.NacosException: Request nacos server failed: 

解决方法：降低nacos-client版本

<dependency>
    <groupId>com.alibaba.cloud</groupId>
    <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
    <exclusions>
        <exclusion>
            <groupId>com.alibaba.nacos</groupId>
            <artifactId>nacos-client</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency>
    <groupId>com.alibaba.nacos</groupId>
    <artifactId>nacos-client</artifactId>
    <version>1.4.1</version>
</dependency>