SpringCloud整合过程中jar依赖踩坑经验

今天在搭建SpringCloud Eureka过程中,一直在报pom依赖错误,排查问题总结如下经验。

1、SpringBoot整合SpringCloud两者版本是有严格约束的,详细见SpringBoot官方文档(https://spring.io/projects/spring-cloud):

正确依赖示例:

2、新版本的eureka server 的依赖artifactId已经变化,spring boot、spring cloud里面很多包引用、包名等配置更新的很快,注意时刻关注官网。

 <artifactId>spring-cloud-starter-eureka-server</artifactId> ---> <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>

maven仓库官方描述:https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-eureka-server

 3、maven jar包依赖错误,再次更新可能无法下载正确的jar包,请删除之前下载的jar包重新更新下载。

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4、正确的pom依赖示例如下:

<?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 http://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>2.0.2.RELEASE</version>
        <relativePath/>  
    </parent>
    
    <groupId>com.github.gavincoder</groupId>
    <artifactId>eureka-server</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>eureka-server</name> 

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>
        <!--eureka-server服务端引入 -->
       <dependency>
              <groupId>org.springframework.cloud</groupId>
              <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
       </dependency>
    </dependencies>
    
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Finchley.SR2</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

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转载自www.cnblogs.com/gavincoder/p/11032015.html
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