1|back | listen EADDRINUSE: address already in use :::4000 code example

Example 1: Error: listen EADDRINUSE: address already in use :::3000

sudo lsof -i :3000

Example 2: EADDRINUSE: address already in use

sudo lsof -i :<PORT>
kill -9 <PID>

Example 3: Error: listen EADDRINUSE: address already in use :::3000

kill -9 {PID}