下载安装执行后为什么报错呀？

[gaofei019]

报错内容：
events.js:182
throw er; // Unhandled 'error' event
^

Error: listen EADDRINUSE :::8080
at Object._errnoException (util.js:1041:11)
at _exceptionWithHostPort (util.js:1064:20)
at Server.setupListenHandle [as _listen2] (net.js:1322:14)
at listenInCluster (net.js:1370:12)
at Server.listen (net.js:1466:7)
at Function.listen (/Users/leeco/Documents/test/ejs-express-mysql/node_modules/express/lib/application.js:618:24)
at Object. (/Users/leeco/Documents/test/ejs-express-mysql/server.js:17:8)
at Module._compile (module.js:573:30)
at Object.Module._extensions..js (module.js:584:10)
at Module.load (module.js:507:32)
at tryModuleLoad (module.js:470:12)
at Function.Module._load (module.js:462:3)
at Function.Module.runMain (module.js:609:10)
at startup (bootstrap_node.js:158:16)
at bootstrap_node.js:598:3

[gaofei019]

解决了，原来是端口占用的问题