npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

webpack学习功能测试中，遇到安装webpack-dev-server 后执行的问题

都是安装在开发环境

执行npm run dev 报错了

看到网上很多解决方式

最后是版本问题

设置如下 npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

config配置如下

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

如果本地有其他程序在执行，最好port端口自己重置一个

执行成功 npm run dev

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

浏览器输入http://localhost:8090/ 查看效果