This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma 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.