No plugin found for prefix 'tomcat7' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (D:\repo), apache.snapshots (http://repository.apache.org/content/groups/snapshots-group/), central (https://repo.maven.apache.org/maven2)] -> [Help 1]
Apache Maven
引用来自“求是科技”的评论
https://my.oschina.net/u/2312022/blog/493953
先搭建一个普通的maven工程，然后逐步向里面添加jar包，有时候网络比较慢，会出现你这个情况
但是现在遇到了第二个问题：
No plugin found for prefix 'tomcat7' in the current project and in the plugin groups [org.apache.maven.plugins, org.codehaus.mojo] available from the repositories [local (D:\repo), apache.snapshots (http://repository.apache.org/content/groups/snapshots-group/), central (https://repo.maven.apache.org/maven2)] -> [Help 1]
https://my.oschina.net/u/2312022/blog/493953
先搭建一个普通的maven工程，然后逐步向里面添加jar包，有时候网络比较慢，会出现你这个情况