Failed to read artifact descriptor for org.springframework.cloud:spring-cloud-starter-zuul:jar:1.3.1

在搭建分布式系统，建一个Zull微服务时，集成Zuul，在pom文件导入Zuul的依赖时，一直报错：

Failed to read artifact descriptor for org.springframework.cloud:spring-cloud-starter-zuul:jar:1.3.1.RELEASE

网上逛了很久，没有找到能解决的办法，自己死磕了很久，最终完美解决。

问题：

在pom文件中导入Zull的依赖如下：

<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>4.0.0modelVersion>
  
  <parent>
    <groupId>com.lzj.springcloudgroupId>
    <artifactId>microservice-parentartifactId>
    <version>0.0.1-SNAPSHOTversion>
  parent>
  <artifactId>microservice-zullartifactId>

    <dependencies>
        
        <dependency>
            <groupId>org.springframework.cloudgroupId>
            <artifactId>spring-cloud-starter-zuulartifactId>
        dependency>
        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>springloadedartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
        dependency>
    dependencies>

project>

编译一直不通过，报Failed to read artifact descriptor for org.springframework.cloud:spring-cloud-starter-zuul:jar:1.3.1的错误。

解决问题：

研究了一番，发现Zuul依赖于Eureaka，那么继续导入Eureka的依赖

    <dependencies>
        
        <dependency>
            <groupId>org.springframework.cloudgroupId>
            <artifactId>spring-cloud-starter-zuulartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.cloudgroupId>
            <artifactId>spring-cloud-starter-eurekaartifactId>
        dependency>
        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>springloadedartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
        dependency>
    dependencies>

发现编译还是不通过，依然报Failed to read artifact descriptor for org.springframework.cloud:spring-cloud-starter-zuul:jar:1.3.1的错误。此时简直想吐，继续死磕。既然Zuul依赖Eureka，pom文件从上向下导入依赖时，那么当导入Zuul时，Eureka还没有导入进来，所以就一直报编译错误，那么把Eureka的依赖放在前面呢，如下：

    <dependencies>
        
        <dependency>
            <groupId>org.springframework.cloudgroupId>
            <artifactId>spring-cloud-starter-eurekaartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.cloudgroupId>
            <artifactId>spring-cloud-starter-zuulartifactId>
        dependency>
        
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>springloadedartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
        dependency>
    dependencies>

发现问题解决，竟然编译通过了，推测导入Zuul时找不到Eureka的依赖导致的。当编译通过后，再把Zull的依赖放在Eureka的前面也不会报错了，因为maven已经装载了Eureka。
哈哈……