IAL</code>
        request attribute. If not set, the default value of <code>true</code>
        will be used.</p>
      </td></tr></table>

  </div></div>

</div></div>


</div><h3 id="Error_Report_Valve">Error Report Valve</h3><div class="text">

  <div class="subsection"><h4 id="Error_Report_Valve/Introduction">Introduction</h4><div class="text">

    <p>The <strong>Error Report Valve</strong> is a simple error handler
    for HTTP status codes that will generate and return HTML error pages.</p>

    <p>