{
try
{
logout();
ApplicationUnavailable page =
(ApplicationUnavailable) cycle.getPage("ApplicationUnavailable");
String message = _applicationUnavailableMessage;
if (message == null)
message = cause.getMessage();
if (message == null)
message = cause.getClass().getName();
page.activate(message, cause);
cycle.activate(page);
renderResponse(cycle, output);
}