Coldfusion stopped serving pages after Plesk update and we are not able to integrate coldfusion into Plesk.
The issue caused by incorrect ColdFusion configuration in Plesk after upgrade to version 11.5.30.
Copy configuration files to default folder:
# cp -rp /opt/coldfusion9/runtime/servers/coldfusion/ /opt/coldfusion9/runtime/servers/default/
Set up installation path in Plesk web interface Home > Tools & Settings > ColdFusion Settings > ColdFusion as
Restart daemon via Plesk web interface.