how to release localhost from Error: listen EADDRINUSE

Question

i am testing a server written in nodejs on windows 7 and when i try to run the tester in the command line i get the following error

Error: listen EADDRINUSE
         


        

Answer 1

This works on Mac:

Step 1.

sudo lsof -i tcp:3000 (or whatever port you want to kill)

Above command will give you the Process Id(s) currently holding the port.

Step 2.

Kill -9