DeprecationWarning: Calling an asynchronous function without callback is deprecated. - how to find w

I recently updated my node to 7.2.1 and noticed that there is a warning coming: (node:4346) Depr ...

node----DeprecationWarning: current URL string parser is deprecated和Port 3000 is already in use的問題

首先，安裝了express和supervisor； 在package.json中： 項目根目錄下的命令窗口中運行：npm start 但結果卻出現以下情況： Deprecatio ...