Looks like your interceptors element is not complete, as you have not specified a interceptor or interceptor stack. I'd recommend deleting it, as well as the global-results tag that does not have an end tag.
method="execute". you can take off by default execute method would be called. Because we're overriding it.
ocjp 6 — Feeding a person with food is a great thing in this world. Feeding the same person by transferring the knowledge is far more better thing. The reason is the amount of satisfaction which we get through food is of only one minute or two. But the satisfaction which we can get through the knowledge is of life long.