This week's book giveaway is in the Testing forum. We're giving away four copies of The Way of the Web Tester: A Beginner's Guide to Automating Tests and have Jonathan Rasmusson on-line! See this thread for details.
What do you mean by "it does not run classes"? What did you expect to happen?
What do you mean by "generates reports without adding classes there"? What did you expect to happen?
The screen shot you posted doesn't help since it shows two successful runs of ant. You might want to post your build.xml file (along with any .xml files that get included) and explain what it is that you are attempting to accomplish.