receiver try,except

scripts/serviece/main.py

@@ -11,21 +11,26 @@ def on_connect(client, userdata, flags, rc):
         print("Connected with result code " + str(rc))
     except Exception as e:
         print("db connection error", e)
+    except TypeError:
+        pass
 
 
 def on_message(client, userdata, message):
-    data_from_mqtt = json.loads(message.payload.decode())
-    connection = sqlite3.connect(db_name)
-    cursor = connection.cursor()
-    cursor.execute('''CREATE TABLE IF NOT EXISTS mqtt_data
-                     (id INT,first_name varchar(20),last_name varchar(20))''')
-    for data in data_from_mqtt:
-        cursor.execute("INSERT INTO mqtt_data VALUES (?,?,?)", (data["id"], data["first_name"],
-                                                                data["last_name"]))
-    cursor.execute("SELECT * FROM mqtt_data")
-    datas = cursor.fetchall()
-    for row in datas:
-        print(row)
+    try:
+        data_from_mqtt = json.loads(message.payload.decode())
+        connection = sqlite3.connect(db_name)
+        cursor = connection.cursor()
+        cursor.execute('''CREATE TABLE IF NOT EXISTS mqtt_data
+                         (id INT,first_name varchar(20),last_name varchar(20))''')
+        for data in data_from_mqtt:
+            cursor.execute("INSERT INTO mqtt_data VALUES (?,?,?)", (data["id"], data["first_name"],
+                                                                    data["last_name"]))
+        cursor.execute("SELECT * FROM mqtt_data")
+        datas = cursor.fetchall()
+        for row in datas:
+            print(row)
+    except TypeError:
+        pass
 
 
 client = mqtt.Client()