code> - if there is no session associated with the request</dd>
<dt>Since:</dt>
<dd>Servlet 3.1</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isRequestedSessionIdValid()">
<h3>isRequestedSessionIdValid</h3>
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">isRequestedSessionIdValid</span>()</div>
<div class="block">Checks whether the requested session ID is still valid.

 <p>
 If the client did not specify any session ID, this method return