Address already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)
lsof -wni tcp:3000
kill -9 PID_numberAddress already in use - bind(2) for "127.0.0.1" port 3000 (Errno::EADDRINUSE)
lsof -wni tcp:3000
kill -9 PID_numberError: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000Error: listen EADDRINUSE: address already in use :::3000
//To find the process id (PID) associated with the port
lsof -i tcp:3000
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
node 44475 chen5 31u IPv4 0x8b1721168764e4bf 0t0 TCP *:strexec-s (LISTEN)
//Then to kill the process
kill -9 44475Error: listen EADDRINUSE: address already in use :::9000
step-1 Enter commond to see running ports & processes
ps -ef
step-2 To stop port and processes
sudo kill {PID}Error: listen EADDRINUSE: address already in use :::3000
ps aux | grep node
kill -9 PIDError: listen EADDRINUSE: address already in use :::3000
C:WindowsSystem32>taskkill /F /IM node.exe
SUCCESS: The process "node.exe" with PID 11008 has been terminated.Copyright © 2021 Codeinu
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