This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
About the only thing I can suggest is to ask if you are restarting Apache AFTER you restart Tomcat. Apache opens a tcp/ip pipeline and if Tomcat goes down and back up, Apache is supposed to have to be restarted so it connect to the new Tomcat's sockets.
Customer surveys are for companies who didn't pay proper attention to begin with.