throw new ProcessingException("Identity Server not found");
String sessionID = httpSession.getId();
String statusIssuer = statusResponseType.getIssuer().getValue();
server.stack().deRegisterTransitParticipant(sessionID, statusIssuer);
String nextParticipant = this.getParticipant(server, sessionID, relayState);
if(nextParticipant == null || nextParticipant.equals(relayState))
{
//we are done with logout