title: java.lang.ClassNotFoundException throwing some error
body: <pre><code>java.lang.ClassNotFoundException: org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
  </code></pre>
  
  <p>I added following jar files:</p>
  
  <pre><code>commons-fileupload-1.2.1.jar
  commons-logging-1.1.1.jar
  freemarker-2.3.16.jar
  ognl-3.0.jar
  servlet-api.jar
  struts2-core-2.2.1.jar
  xwork-core-2.2.1.jar
  </code></pre>