bind failed. Error: Address already in use

1. Cause
port is already used. check this command

2. Solution

   netstat -tulpn 
   check the PID, then

   kill <pid>


3. Reference

http://stackoverflow.com/questions/15198834/bind-failed-error-address-already-in-use
http://stackoverflow.com/questions/8688949/how-to-close-tcp-and-udp-ports-via-windows-command-line