pan class="deprecationComment">As of Version 2.2, this method is replaced by <a href="../../../jakarta/servlet/http/HttpSession.html#getAttributeNames--"><code>getAttributeNames()</code></a></span></div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/servlet/http/HttpSession.html#invalidate--">invalidate</a></span>()</code>
<div class="block">Invalidates this session then unbinds a