final VaMessenger<FessMessages> loginErrorCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> logoutErrorCode = messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final SsoMessageException loginException = new SsoMessageException(loginErrorCode, message);

                auth.processSLO();
                final List<String> errors = auth.getErrors();
                if (errors.isEmpty()) {
                    throw new SsoMessageException(messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY), "Logged out");
                }
                final String msg = errors.stream().collect(Collectors.joining(", "));
                throw new SsoMessageException(