Service Desk Plus is close after run.sh

After executing run.sh, the script is paused. Start the system but if I close the putty or cancel the line, the system makes a shutdow.

Server is starting. This may take a couple of minutes ...
This evaluation copy is valid for 27 days
ServerContainer [CREATED]
AdventNetCC [CREATED]
AdventNetServiceDesk [CREATED]
ServerContainer [STARTED]
AdventNetCC [STARTED]
AdventNetServiceDesk [STARTED]

Server Started.
Please connect your client at http://localhost:8443

at this point, all its OK... i can loggin and work.. but the cursor on putty its wait... and if do CTR+C, appears that:

Server is starting. This may take a couple of minutes ...
This evaluation copy is valid for 27 days
ServerContainer [CREATED]
AdventNetCC [CREATED]
AdventNetServiceDesk [CREATED]
ServerContainer [STARTED]
AdventNetCC [STARTED]
AdventNetServiceDesk [STARTED]

Server Started.
Please connect your client at http://localhost:8443
^CAdventNetServiceDesk [STOPPED]
AdventNetCC [STOPPED]
ServerContainer [STOPPED]
AdventNetServiceDesk [DESTROYED]
AdventNetCC [DESTROYED]
ServerContainer [DESTROYED]
root@praxis:~/ManageEngine/ServiceDesk/bin#

Could you help me ?