error: listen eaddrinuse: address already in use 0.0.0.0:3000 code example
Example 1: Error: listen EADDRINUSE: address already in use :::3000
sudo lsof -i :3000
Example 2: Error: 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 44475
Example 3: EADDRINUSE: address already in use
sudo lsof -i :<PORT>
kill -9 <PID>
Example 4: Error: 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}
Example 5: EADDRINUSE: address already in use :::5000
kill -9 {PID}
Example 6: Error: listen EADDRINUSE: address already in use :::3000
ps aux | grep node
kill -9 PID