Open source software supply chain lighting plan, waiting for you>>>

The error details are as follows:

events.js:183

      throw er; // Unhandled 'error' event

      ^



Error: listen EADDRINUSE :::3000

    at Server.setupListenHandle [as _listen2] (net.js:1360:14)

    at listenInCluster (net.js:1401:12)

    at Server.listen (net.js:1485:7)

    at Function.listen (E:\VsCode\mock-github-api\node_modules\express\lib\appli                                                                                                                                  cation.js:618:24)

    at Object.<anonymous> (E:\VsCode\mock-github-api\index.js:180:5)

    at Module._compile (module.js:653:30)

    at Object.Module._extensions..js (module.js:664:10)

    at Module.load (module.js:566:32)

    at tryModuleLoad (module.js:506:12)

    at Function.Module._load (module.js:498:3)

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! [email protected] start: `node index`

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the [email protected] start script.

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



npm ERR! A complete log of this run can be found in:

npm ERR!     D:\Program Files\nodejs\node_cache\_logs\2019-03-19T06_44_19_978Z-d                                                                                                                                  ebug.log

Key information: listen eaddrinuse::: 3000

Actually, the port is occupied. The main modification is app. Listen (4000). I will change it to 4000 here, and the problem will be solved

Of course, this problem may occur next. The most direct solution is to open the process management with the shortcut key Ctrl + Shift + ESC, find the corresponding process and kill it, as shown in the figure: