while starting the server

[RamyaKadaari]

Hi,
I am getting this error while starting the server : listen EADDRINUSE: address already in use :::8081
Can you tell me the reason for this error?? and also after successfully getting this should we type in some command before starting the client??

[fbdb]

try this: lsof -ti :8081 | xargs kill -9
refer to this stackoverflow comment for more info: https://stackoverflow.com/a/4086015