iv>
<div class="col-first odd-row-color class-summary class-summary-tab5"><a href="UnavailableException.html" title="class in jakarta.servlet">UnavailableException</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab5">
<div class="block">Defines an exception that a servlet or filter throws to indicate that it is permanently or temporarily unavailable.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="WriteListener.html" title="interface in 