We have at work a Hudson machine that acts as a build server for a Java Swing Project. The build process is based on Ant scripts (and not Maven).
Has anyone integrated tests from QuickTest Professional is such configuration?
In other words: Is it possible to execute qtp tests automatically via Ant?
Not sure about your particular setup, but QTP has an automation API which can be used to drive QTP itself. Below is an example VBScript snippet you could drop into a .vbs file and call from the command line.
The following link, Integrating QTP..., describes a setup for integrating QTP with Ant and CruiseControl.
Yes, this is possible. I can provide you steps to integrate QTP with Hudson: