当有时候我们无法连接到maven的中心仓库时,会报如下错误:
[WARNING] Could not transfer metadata.... ...Connect to 172.16.0.XX:8081 [/172.16.0.XX] failed: Connection timed out: connect
这时候我们可以启用maven的离线模式功能,打开C:\Users\[用户文件夹]\.m2目录,编辑settings.xml文件
若是拷贝过来的文件可以发现有如下注释掉的配置
<!-- offline
| Determines whether maven should attempt to connect to the network when executing a build.
| This will have an effect on artifact downloads, artifact deployment, and others.
|
| Default: false
<offline>false</offline>
-->
在注释掉的后面再添加一行<offline>true</offline>
下次进行maven构建的时候就直接去本地仓库查找jar包,速度快了很多