Answers for "Port 3000 is already in use."

1

Something is already running on port 3000.

npx kill-port 3000 8080 4200
Posted by: Guest on July-02-2021
3

Port 3000 is already in use, but when I try to kill nothing is found

netstat -ano | findstr :3000
taskkill /PID "123" /F
Posted by: Guest on May-24-2020
1

Port 3000 is already in use.

If this error is in nextjs

in package.json, update scripts:
"dev": "PORT=3001 next dev",

you can choose other port, and also change for start.
Posted by: Guest on July-27-2021
1

stop npm running on port 3000

netstat -ano | findstr :3000
taskkill /F /PID PID_of_port
Posted by: Guest on July-14-2020
0

Something is already running on port 3000

npx kill-port 3000 8080 4200
Posted by: Guest on July-07-2021
0

Node.js Port 3000 already in use but it actually isn't?

$ lsof -i tcp:3000
$ kill -9 PID
Posted by: Guest on September-27-2021

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