Error - Port already in use
Learn how to fix errors related to the port being in use already in Percy
By default, Percy uses port 5338 to start the Percy CLI server. At times, there might be other processes that are already using this port. This results in the “port already in use” error.
Try these solutions to resolve this error:
Solution 1: If possible, kill the process running on port 5338 using these commands:
lsof -i :5338
node 22165 username 29u IPv6 0x82ab52d68g4604c8 0t0 TCP *:5338 (LISTEN)
// kill -9 $pid
kill -9 22165
netstat -aon | findstr :5338
taskkill /PID 1234 /F
Solution 2:
Change the port on which the Percy CLI server runs using the --port command as follows:
npx percy exec:start --port 3000
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