解决IDEA无法下载maven依赖的问题

 更新时间:2020年9月4日 13:15  点击:2420

今天新建一个springboot项目时,项目建好后,在IDEA下载依赖包时,下载了很久都没有下载完,后来仔细一看,是下载不了。

解决方法:

在项目的pom.xml文件上右键,弹出框中选择maven,再选择open 'settings.xml'  或者是 create 'settings.xml' ,操作如图:

在该文件中填入如下内容:

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <mirrors>
    <mirror>
      <id>nexus</id>
      <name>internal nexus repository</name>
      <!-- <url>http://192.168.1.100:8081/nexus/content/groups/public/</url>-->
      <url>http://repo.maven.apache.org/maven2</url>
      <mirrorOf>central</mirrorOf>
    </mirror>
  </mirrors>

</settings>

重新右键pom.xml文件,选择 maven ,选择 Reimport 即可下载依赖。操作步骤及settings.xml文件内容如图:

settings.xml文件内容:

至此,依赖依法下载的问题已经解决。。

疑惑:将settings.xml文件中的<mirrors>替换成如下内容,竟然也无法下载依赖(但看网上博客说会让下载速度变快的)

<mirrors>
 <!-- mirror
  | Specifies a repository mirror site to use instead of a given repository. The repository that
  | this mirror serves has an ID that matches the mirrorOf element of this mirror. IDs are used
  | for inheritance and direct lookup purposes, and must be unique across the set of mirrors.
  |
 <mirror>
  <id>mirrorId</id>
  <mirrorOf>repositoryId</mirrorOf>
  <name>Human Readable Name for this Mirror.</name>
  <url>http://my.repository.com/repo/path</url>
 </mirror>
  -->

 <mirror>
  <id>alimaven</id>
  <name>aliyun maven</name>
  <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
  <mirrorOf>central</mirrorOf>
 </mirror>

 <mirror>
  <id>uk</id>
  <mirrorOf>central</mirrorOf>
  <name>Human Readable Name for this Mirror.</name>
  <url>http://uk.maven.org/maven2/</url>
 </mirror>

 <mirror>
  <id>CN</id>
  <name>OSChina Central</name>
  <url>http://maven.oschina.net/content/groups/public/</url>
  <mirrorOf>central</mirrorOf>
 </mirror>

 <mirror>
  <id>nexus</id>
  <name>internal nexus repository</name>
  <!-- <url>http://192.168.1.100:8081/nexus/content/groups/public/</url>-->
  <url>http://repo.maven.apache.org/maven2</url>
  <mirrorOf>central</mirrorOf>
 </mirror>

 </mirrors>

 

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