java.net.bindexception address already in use bind eclipse code example
Example: address already in use :::8081 windows
netstat -a -n -o
//then find the pid which is running in this port and run
taskkill /F /PID [pidnumber]
netstat -a -n -o
//then find the pid which is running in this port and run
taskkill /F /PID [pidnumber]