>.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <code>java.security.Principal</code> containing the name of the user making this request; <code>null</code>
 if the user has not been authenticated</dd>
</dl>
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<h4>getRequestedSessionId</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String