final SearchEngineClient searchEngineClient = ComponentUtil.getSearchEngineClient();
        try {
            final PingResponse pingResponse = searchEngineClient.ping();
            writeJsonResponse(pingResponse.getStatus() == 0 ? HttpServletResponse.SC_OK : HttpServletResponse.SC_SERVICE_UNAVAILABLE,
                    "\"data\":" + pingResponse.getMessage());
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {

                        throw new SmbAuthException("Login failed", e);
                    }
                    if (!sessResponse.isReceived() || sessResponse.isError() || sessResponse.getStatus() != NtStatus.NT_STATUS_SUCCESS
                            && sessResponse.getStatus() != NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED) {
                        throw e;
                    }
                    ex = e;

        final ServerMessageBlock2Response resp = (ServerMessageBlock2Response) response;
        synchronized (resp) {
            if (resp.isAsync() && !resp.isAsyncHandled() && resp.getStatus() == NtStatus.NT_STATUS_PENDING && resp.getAsyncId() != 0) {
                resp.setAsyncHandled(true);
                final boolean first = !req.isAsync();
                req.setAsyncId(resp.getAsyncId());