title: glassfish-web.xml vs sun-web.xml vs web.xml
body: <p>Could someone explain the main differences (or provide a link to) between <code>glassfish-web.xml</code>, <code>sun-web.xml</code> and <code>web.xml</code>?</p>
  
  <p>Can I use just <code>glassfish-web.xml</code> in my webapp and skip the others?</p>