UnhandledPromiseRejectionWarning: Error: Exited with code 3

當我在CentOs7下

ng serve -o

啟動失敗
出現以下錯誤
UnhandledPromiseRejectionWarning: Error: Exited with code 3

try it

ng serve --host X.X.X.X --port 4200

更改他的host

到我的 vagrant File


參考
https://stackoverflow.com/questions/49542489/npm-run-dev-produces-unhandledpromiserejectionwarning?rq=1