extraDescriptions.put("path-info", uri);
StringWriter writer = new StringWriter();
e.printStackTrace(new PrintWriter(writer));
extraDescriptions.put("stack-trace",writer.toString());
Notifying n=new DefaultNotifyingBuilder().build(
this, e, "fatal","Internal server error","Cocoon servlet",null,null,extraDescriptions);
res.setContentType(contentType = Notifier.notify(n, res.getOutputStream()));
}