其实,遇到“Failed to read artifact descriptor for xxx:jar”的报错,就是jar包下载失败而导致的,你可以到Maven的仓库中去查看(也就是.m2\repository那个路径下的)xxx-m2e-lastUpdated.properties文件,用记事本打开,里面描述的报错提示就是“connect timed out(连接超时)”:
pom问文件中添加
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
或者赶紧去在eclipse指定的settings.xml文件添加mirror地址
<mirror>
<id>repo2</id>
<mirrorOf>central</mirrorOf>
<name>Human Readable Name for this Mirror.</name>
<url>http://repo2.maven.org/maven2/</url>
</mirror>
参考:https://blog.youkuaiyun.com/u010087830/article/details/72530266