}
super.loginOk = false;
NegotiationContext negotiationContext = NegotiationContext.getCurrentNegotiationContext();
NegotiationMessage requestMessage = negotiationContext.getRequestMessage();
if (requestMessage instanceof SPNEGOMessage == false)
{
String message = "Unsupported negotiation mechanism '" + requestMessage.getMessageType() + "'.";
log.warn(message);
throw new LoginException(message);
}
try