.

src/main/java/com/xydl/service/impl/MqttServiceImpl.java

@@ -27,7 +27,7 @@ public class MqttServiceImpl {
             try {
                 processOneTable(tableName);
             } catch (Exception e) {
-                throw new RuntimeException(e);
+                log.error("processOneTable exception:",e);
             }
         }
     }
@@ -69,6 +69,7 @@ public class MqttServiceImpl {
         String devIdSQL = sqlExecuting.replace("%%DEVID%%", String.valueOf(deviceID));
         String newSQL = devIdSQL.replace("%%KEYVALUE%%", "'" + time + "'");
         List<Map<String, Object>> dataOfoneDeviceID = operationDBMapper.getData(newSQL);
+        if(!dataOfoneDeviceID.isEmpty()){
             String jsonStringData = FormatUtil.mqttFormatTransform(dataOfoneDeviceID, fieldMap);
             try {
                 if (mqttUtil.publish2MQTT(jsonStringData)) {
@@ -86,6 +87,8 @@ public class MqttServiceImpl {
             }
         }
 
+    }
+
 
 }
 

src/main/resources/application-dev.yml

@@ -25,7 +25,7 @@ mqtt:
     clientid: publish_client
   subscribe:
     clientid: subscribe_client
-  broker: tcp://192.168.50.115:1883
+  broker: tcp://192.168.50.200:1883
   topic: mqtt/test
   username: test
   password: AliOS%1688