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Fix Error

[Node.js] Error: listen eaddrinuse: address already in use :::3000 ์˜ค๋ฅ˜ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

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๐Ÿ˜Ž Error: listen eaddrinuse: address already in use :::3000 ์˜ค๋ฅ˜ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•

 

โœ”๏ธŽ ํ„ฐ๋ฏธ๋„์—์„œ node app.js ๋˜๋Š” pm2 restart app.js๋ฅผ ํ–ˆ์„ ๋•Œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์˜ค๋ฅ˜ ๋ฐœ์ƒ

error: listen eaddrinuse: address already in use :::3000

 

โœ”๏ธŽ ์˜ค๋ฅ˜ ์›์ธ

์ด๋ฏธ 3000 ํฌํŠธ์—์„œ listening ๋˜๊ณ  ์žˆ๋Š” ๊ฒŒ ์žˆ๋‹ค๋Š” ์˜๋ฏธ

 

โœ”๏ธŽ ํ•ด๊ฒฐ๋ฐฉ๋ฒ• 

1. Mac OS or Linux ๋ฒ„์ „

losf:  ํ„ฐ๋ฏธ๋„์—์„œ ํ™œ์„ฑํ™”๋œ ํ”„๋กœ์„ธ์Šค ๋ฆฌ์ŠคํŠธ๋ฅผ ์ถœ๋ ฅํ•˜๊ฒŒ ํ•ด์ฃผ๋Š” ๋ช…๋ น์–ด

-i : ํ„ฐ๋ฏธ๋„์—์„œ ํŠน์ • ํฌํŠธ๋ฅผ ์‚ฌ์šฉ ์ค‘์ธ ํ”„๋กœ์„ธ์Šค๋งŒ ๋ณด์—ฌ์ค€๋‹ค.

 

1. lsof -i TCP:3000 ๋ฅผ ์ž…๋ ฅํ•ด์„œ 3000๋ฒˆ์œผ๋กœ listening ๋˜๊ณ  ์žˆ๋Š” ๊ฒƒ์„ ๊ฒ€์ƒ‰ํ•œ๋‹ค.

lsof -i TCP:3000

 

๋‹ค์Œ๊ณผ ๊ฐ™์ด ๊ฒ€์ƒ‰๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜จ๋‹ค. (์˜ˆ์‹œ์ด๋ฏ€๋กœ ๊ตฌ์ฒด์ ์ธ ๊ฒƒ์€ ์กฐ๊ธˆ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Œ)

command์— ์žˆ๋Š” node๋Š” ํ”„๋กœ์„ธ์Šค ์ด๋ฆ„, PID๋Š” ํ”„๋กœ์„ธ์Šค์˜ PID ๊ฐ’์„ ์˜๋ฏธ.

์ฆ‰ node ํ”„๋กœ์„ธ์Šค์—์„œ ์ด๋ฏธ 3000 port๋ฅผ listening ํ•˜๊ณ  ์žˆ๋Š” ๊ฒƒ.

COMMAND PID   USER  FD  TYPE DEVICE             SIZE/OFF NODE NAME 
node    12345 abcde 12a IPv4 0xadsfsdfasdfsdfff 0t0 TCP *:strexec-s (LISTEN)

 

2. ๊ทธ๋Ÿฌ๋ฉด PID ์ˆซ์ž๋ฅผ kill -9๋กœ ์ฃฝ์—ฌ์ค€๋‹ค.

kill -9 12345

 

* ๋งŒ์•ฝ์— ๊ถŒํ•œ์ด ํ•„์š”ํ•˜๋‹ค๊ณ  ํ•˜๊ฑฐ๋‚˜ ์•ˆ ์ฃฝ์—ฌ์งˆ ๊ฒฝ์šฐ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ž…๋ ฅํ•œ๋‹ค.

 

sudo kill -9 12345

์™„๋ฃŒ!

 

 

 

2. Window ๋ฒ„์ „

natstat : ํฌํŠธ๋ฅผ ์‚ฌ์šฉ ์ค‘์ธ ํ”„๋กœ์„ธ์Šค ํ™•์ธ ๊ฐ€๋Šฅ

-a : ๋ชจ๋“  ํฌํŠธ ํ‘œ์‹œ

-n : IP:PORT ํ˜•์‹์œผ๋กœ ํ‘œ์‹œ

-o : PID ํ‘œ์‹œ

 

1. netstat -ano | find "3000" ์„ ์ž…๋ ฅํ•ด์„œ listening ๋˜๊ณ  ์žˆ๋Š” ๊ฒƒ์„ ๊ฒ€์ƒ‰ํ•œ๋‹ค.

| find "3000" ๋Š” ์ž…๋ ฅํ•˜๋ฉด 3000์ด ํฌํ•จ๋œ ๋ถ€๋ถ„๋งŒ ๊ฒ€์ƒ‰๋œ๋‹ค๋Š” ๋œป์ด๋‹ค.

netstat -ano | find "3000"

 

๋‹ค์Œ๊ณผ ๊ฐ™์ด ๊ฒ€์ƒ‰๊ฒฐ๊ณผ๊ฐ€ ๋‚˜์˜จ๋‹ค. (์˜ˆ์‹œ์ด๋ฏ€๋กœ ๊ตฌ์ฒด์ ์ธ ๊ฒƒ์€ ์กฐ๊ธˆ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Œ)

ํ”„๋กœํ† ์ฝœ  ๋กœ์ปฌ ์ฃผ์†Œ        ์™ธ๋ถ€ ์ฃผ์†Œ       ์ƒํƒœ         PID
TCP     0.0.0.0:3000   0.0.0.0:0     LISTENING   1234

 

2. PID ์ˆซ์ž๋ฅผ taskkill  /pid๋กœ ์ฃฝ์—ฌ์ค€๋‹ค.

taskkill /pid 1234

 

* ๋งŒ์•ฝ์— ๊ถŒํ•œ์ด ํ•„์š”ํ•˜๋‹ค๊ณ  ํ•˜๊ฑฐ๋‚˜ ์•ˆ ์ฃฝ์—ฌ์งˆ ๊ฒฝ์šฐ ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์ž…๋ ฅํ•œ๋‹ค.

taskkill /f /pid 1234

 

 

 

 

 

 

 

 

์ฐธ๊ณ ์ž๋ฃŒ

https://levelup.gitconnected.com/how-to-kill-server-when-seeing-eaddrinuse-address-already-in-use-16c4c4d7fe5d

https://jootc.com/p/201912253249

์œˆ๋„์šฐ ํŠน์ • ํฌํŠธ ๊ฒ€์ƒ‰ ์ข…๋ฃŒ

 

 

 

 

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