l?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Called by the server (via the <code>service</code> method) to allow a servlet to handle a TRACE request.

 A TRACE returns the headers sent with the TRACE request to the client, so that they can be used in debugging. There's
 no need to override this method.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>req</code> - the <a href="../../../jakarta/servlet/http/HttpServletRequest.html"