title: How to run a vaadin8 war from command line?
body: <p>I am web-development noob and use vaadin 8 for an application and gradle to build the war-file. How can I run the apllication file from command line? </p>
  
  <p>I tried this without success:</p>
  
  <pre><code>java -cp root.war my.namespace.RootServlet
  </code></pre>
  
  <p>The class is not found.</p>