What is an example of using ant to war a jsp web application? How to map a servlet in web.xml? What is the difference between mapping a servlet and mapping a jsp in web.xml? How to war a web application having web.xml from an ant script? How to set environment variables from an ant script? How to set CATALINA_HOME environment variable from ant? How to start and stop tomcat from ant? Where is a war deployed on a tomcat web server? what is inside a war file?