andled by the
 container, as follows:
 <ol>
 <li>Invoke, at their <a href="../../javax/servlet/AsyncListener.html#onError-javax.servlet.AsyncEvent-"><code>onError</code></a> method, all <a href="../../javax/servlet/AsyncListener.html" title="interface in javax.servlet"><code>AsyncListener</code></a> instances registered
 with the ServletRequest for which this AsyncContext was created, and make the caught <tt>Throwable</tt> available
 via <a href="../../javax/servlet/AsyncEvent.html#getThrowable--"><code>Asy