我使用安装了 npm 的 ubuntu 服务器。我尝试运行此应用程序进行练习。
当我遇到node app.js
/project/socket_server/ 我得到这个错误
root@root:/var/www/SynergyTube/socket_server# node app.js
node.js:201
throw e; // process.nextTick error, or 'error' event on first tick
^
TypeError: Object #<Object> has no method 'existsSync'
at Object.<anonymous> (/var/www/SynergyTube/socket_server/first_start.js:2:8)
at Module._compile (module.js:441:26)
at Object..js (module.js:459:10)
at Module.load (module.js:348:32)
at Function._load (module.js:308:12)
at Module.require (module.js:354:17)
at require (module.js:370:17)
at Object.<anonymous> (/var/www/SynergyTube/socket_server/app.js:1:63)
at Module._compile (module.js:441:26)
at Object..js (module.js:459:10)
有人可以解释我做错了什么吗?谢谢