This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I still say you should set break points and step through code to see exactly what is happening. If you go into a dark room, you can't see anything. So turn on the lights. In this case that is debugging.