spring cloud nacos 服务地址使用域名时 报错

server-addr 配置为域名的时候报错，而使用IP没有问题

failed to req API:/nacos/v1/ns/instance after all servers

解决：

方式一 升级版本 2.2.1.RELEASE 以上

<dependency>  <groupId>com.alibaba.cloud</groupId>  <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId></dependency>​<dependency>  <groupId>com.alibaba.cloud</groupId>  <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId></dependency><spring-cloud-alibaba-dependencies.version>2.2.1.RELEASE</spring-cloud-alibaba-dependencies.version>​<dependency>  <groupId>com.alibaba.cloud</groupId>  <artifactId>spring-cloud-alibaba-dependencies</artifactId>  <version>${spring-cloud-alibaba-dependencies.version}</version>  <type>pom</type>  <scope>import</scope></dependency>

方式二

将nacos-client 升级到 1.2.1

<dependency>  <groupId>com.alibaba.nacos</groupId>  <artifactId>nacos-client</artifactId>  <version>1.2.1</version></dependency>

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