2.1 or later)</li>
    </ul>

  </div></div>


  <div class="subsection"><h4 id="Implementation_Requirements">Implementation Requirements</h4><div class="text">

    <p>The implementation of this functionality shall conform to the
    following requirements:</p>
    <ul>
    <li>Be realized in one or more implementation classes.</li>
    <li>Implement the <code>org.apache.catalina.Realm</code> interface.
        [Current]</li>
    <li>Implement the <code>org.apache.catalina.Lifecycle</code>
        interfac