Adding ContextLoaderListener to web.xml in Spring MVC

Question

I am new to Spring MVC. I have a web application. I have the following configuration:

Answer 1

This maybe a little advanced, in my application which is an enterprise app, they construct their own listener class and put in the web.xml. On start up, this customized listener will scan the app to gather all info including resources, external connections, server info ip, jars, etc. The info is accessible in a web page.