C:\Users\ms\first_map\bin\www:14
TypeError: Cannot read property 'on' of undefined
이런오류가 나는데 이유가 있는것인지요?
무엇인가 위에서 정의를 해줘야하는것인지요?
<div style="color: #eeffff; background-color: #212121; font-family: Consolas, 'Courier New', monospace; font-size: 15px; line-height: 20px; white-space: pre;"> 
<div>var&nbsp;app&nbsp;=&nbsp;require("../app");</div>
<div>var&nbsp;debug&nbsp;=&nbsp;require("debug")("first-map:server");</div>
<div>var&nbsp;http&nbsp;=&nbsp;require("http");</div>
<div>const&nbsp;mongoose&nbsp;=&nbsp;require("mongoose");</div>
<div>const&nbsp;userConfig&nbsp;=&nbsp;require("../config/userConfig.json");</div>
 
<div>let&nbsp;db&nbsp;=&nbsp;mongoose.collection;</div>
<div>db.on("error",&nbsp;console.error);</div>
<div>db.once("open",&nbsp;()&nbsp;=&gt;&nbsp;{</div>
<div>&nbsp;&nbsp;console.log("Connected&nbsp;to&nbsp;mongo&nbsp;Server");</div>
<div>});</div>
<div>mongoose.connect(</div>
<div>&nbsp;&nbsp;`mongodb+srv://jinnise21:${userConfig.pw}@firstmap.roaz5.mongodb.net/firstmap?retryWrites=true&amp;w=majority`,</div>
<div>&nbsp;&nbsp;{&nbsp;useNewUrlParser:&nbsp;true,&nbsp;useUnifiedTopology:&nbsp;true&nbsp;}</div>
<div>);</div>
</div>

앗 죄송합니다..초보라..ㅠ_ㅠ;;

질문 감사합니다:)
let db = mongoose.collection이 아닌
let db = mongoose.connection으로 설정해주시면 될 것 같습니다~!!
감사합니다~!!

인프런 커뮤니티 질문&답변

서버접속시 오류가 발생하네요