From 39eafde85b0199acbf840be63b756920e7017d40 Mon Sep 17 00:00:00 2001
From: YevhenBondarenko <ybondarenko@thingsboard.io>
Date: Thu, 19 Nov 2020 11:40:44 +0200
Subject: [PATCH] fix MQTT x509 auth

---
 .../server/service/transport/DefaultTransportApiService.java    | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
index d446b32e41..98f5708bad 100644
--- a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
+++ b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
@@ -178,6 +178,8 @@ public class DefaultTransportApiService implements TransportApiService {
                     if (!checkMqttCredentials(mqtt, credentials)) {
                         credentials = null;
                     }
+                } else {
+                    return getEmptyTransportApiResponseFuture();
                 }
             }
             if (credentials == null) {