thingsboard-aplcache

Fix NPE in MqttClient

11/13/2018 7:50:45 AM

Igor Kulikov

Commit: b40a135

Tree: 9cc9fbd

Parents: 7e1466f

Changes

netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java 4(+3 -1)

Details

netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java 4(+3 -1)

diff --git a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
index b9460b3..2bfdeb6 100644
--- a/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
+++ b/netty-mqtt/src/main/java/org/thingsboard/mqtt/MqttClientImpl.java
@@ -390,7 +390,9 @@ final class MqttClientImpl implements MqttClient {
     }
 
     public void onSuccessfulReconnect() {
-        callback.onSuccessfulReconnect();
+        if (callback != null) {
+            callback.onSuccessfulReconnect();
+        }
     }