t implementation must call <a href="../../../jakarta/faces/context/ExceptionHandlerFactory.html#getExceptionHandler--"><code>ExceptionHandlerFactory.getExceptionHandler()</code></a> and make it so the return
 from that method is what gets returned from a call to <a href="../../../jakarta/faces/context/FacesContext.html#getExceptionHandler--"><code>FacesContext.getExceptionHandler()</code></a> on the returned
 <code>FacesContext</code> instance.
 </p>

 <p class="changed_added_2_2">
 The default implementati