update

src/communication.jl

@@ -186,11 +186,14 @@ function mqttClientInstance_v2(
   if clearOldMsg
     chnames = keys(msgReceiveChannel)
     for i in chnames
+      totalmsg = msgReceiveChannel[i].n_avail_items #[TESTING]
+      if totalmsg > 0
         while isready(msgReceiveChannel[i])
           _ = take!(msgReceiveChannel[i])
         end
+        println("Total $totalmsg old MQTT messages cleared", @__FILE__, ":", @__LINE__, " $(Dates.now())")
+      end
     end
-    println("Old MQTT messages cleared")
   end
 
   return instance