title: How to define <welcome-file-list> and <error-page> in servlet 3.0's web.xml-less?
body: <p>I have existing web-app which I want to convert into web.xml-less of servlet's 3.0. I've managed to make it working, however there are 2 tags in web.xml which I still don't know the equivalent code in web.xml-less environment.</p>
  
  <pre><code>&lt;welcome-file-list&gt;
      &lt;welcome-file&gt;/index.jsp&lt;/welcome-file&gt;
  &lt;/welcome-file-list&gt;
  
  &lt;error-page&gt;
      &lt;error-code&gt;404&lt;/error-code&gt;
      &lt;location&gt;/pageNotFound&lt;/location&gt;
  &lt;/error-page&gt;
  </code></pre>
  
  <p>Any help is appreciated</p>