Browser access error after webpack-dev-server running.

the project structure is shown in the following figure

webpack.config.js 

 


 can be accessed normally, checked a large amount of information, but do not know what went wrong, webpack-dev-server running HTTP server, life or death is a problem. Would you please help me to see what the problem is?
Node.js javascript webpack-dev-server webpack
Mar.12,2021

reporting that error is the wrong path. I see if you are missing. /
contentBase: path.join (_ _ dirname,'. / dist')

stupid, devServer.publicPath:'/ 'changed to the default value is normal. I have never understood the meaning of this attribute, which is the access path of URL.

Previous: GO builds websocket and automatically shuts down when it receives the message.

Next: Hexo reported an error and could not find css style

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bf4438-3142b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf4438-3142b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?