Port occupancy error address already in use: bind
solution:
Open CMD

netstat -ano   View the processes and their port numbers
taskkill /PID 6272 /F Terminate the process with PID 6272

In app_config_Under of the dev.properties folder,

ipsd.port=11111     

Enter netstat – ano in CMD, find out that the process corresponding to 11111 is 6272
and then enter taskkill/PID 6272/F to terminate the process with PID 6272