private void reportActionRequestException(IRequestCycle cycle, Throwable cause)
{
CharArrayWriter caw = new CharArrayWriter();
PrintWriter pw = new PrintWriter(caw);
IMarkupWriter writer = new MarkupWriterImpl("text/html", pw, new AsciiMarkupFilter());
writeException(writer, cycle, cause);
writer.close();
String markup = caw.toString();
_request.getSession(true).setAttribute(
PortletConstants.PORTLET_EXCEPTION_MARKUP_ATTRIBUTE,