rname_Login_Mode_Functionality">Username Login Mode Functionality</a></li></ol></li><li><a href="#Testable_Assertions">Testable Assertions</a></li></ul>
</div><h3 id="Overview">Overview</h3><div class="text">


  <div class="subsection"><h4 id="Introduction">Introduction</h4><div class="text">

    <p>The purpose of the <strong>JNDIRealm</strong> implementation is to
    provide a mechanism by which Tomcat can acquire information needed
    to authenticate web application users, and define their security ro