springboot使用nacos的示例分析

SpringBoot使用Nacos的示例分析，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

pom.xml:

<?xml version="1.0" encoding="UTF-8"?><project xmlns="Http://Maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">    <modelVersion>4.0.0</modelVersion>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>2.4.2</version>        <relativePath/>     </parent>    <groupId>com.shif</groupId>    <artifactId>spring-Jwt</artifactId>    <version>0.0.1-SNAPSHOT</version>    <name>spring-jwt</name>    <description>Demo project for Spring Boot</description>    <properties>        <java.version>1.8</java.version>        <nacos-config-spring-boot.version>0.2.1</nacos-config-spring-boot.version>    </properties>    <dependencies>        <!-- 解决启动Param 'serviceName' is illegal, serviceName is blank问题 -->        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-starter-bootstrap</artifactId>            <version>3.0.4</version>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-WEB</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>            <scope>test</scope>        </dependency>        <dependency>            <groupId>io.JSONwebtoken</groupId>            <artifactId>jjwt</artifactId>            <version>0.9.0</version>        </dependency>        <dependency>            <groupId>org.projectlombok</groupId>            <artifactId>lombok</artifactId>            <optional>true</optional>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-data-redis</artifactId>        </dependency>        <dependency>            <groupId>com.alibaba</groupId>            <artifactId>fastjson</artifactId>            <version>1.2.59</version>        </dependency>        <!-- nacos discovery and config 版本选择参考nacos官网推荐-->        <dependency>            <groupId>com.alibaba.cloud</groupId>            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>            <version>2021.1</version>        </dependency>        <dependency>            <groupId>com.alibaba.cloud</groupId>            <artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>            <version>2021.1</version>        </dependency>    </dependencies>    <build>        <plugins>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>        </plugins>    </build></project>

版本选择参考nacos官网推荐

application.yml和bootstrap.yml:

spring:  profiles:    active: dev  Redis:    host: ${REDIS_HOST:20.20.30.125}    port: ${REDIS_PORT:6379}    passWord: ${REDIS_PASSWORD:abc@123}

server:  address: x.x.x.x  port: 9091spring:  application:    name: jwttest  cloud:    nacos:      discovery:        server-addr: x.x.x.x:8848      config:        server-addr: x.x.x.x:8848        group: dev        file-extension: yaml

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