Invalid application when boot XDK

[Alexju]

Hi Sir,

I tried XDK Mita demos from here https://developer.bosch.com/web/xdk/http1 and here https://developer.bosch.com/web/xdk/mqtt1

My purpose is to test HTTP & MQTT protocol for XDK through Eclipse Mita。However none of them work as expected. After I build project and flash bin file into XDK, the XDK will show "Invalid application". Below is screenshots:

How to find the root cause of this problem ? 

Waitting for your response...

[Karthiga_R]

Hi,

1. You can set bootloader version in preferences.

2. Before building project, clean it.

Please refer attached screenshots.

Thank You 🙂

[Alexju]

Hi Sir,

I have tried to change the bootloader from ‘Auto' to 1.0.0/1.1.0/1.2.0, and clean project everytime, but still meet same error message..Invalid application..

Is my Mita code wrong ? 

application.mita Code:

package main;
import platforms.xdk110;

setup net : WLAN {
ssid = "Alexju";
authentication = Personal(psk = "ju123456");
}

setup hivemq : MQTT {
transport = net;
url = 'mqtt://broker.hivemq.com:1883';
clientId = 'myXdk';
var helloWorld = topic('hello/world');
}

every 5 second
{
hivemq.helloWorld.write('{"hello": "world"}');
}

[Alexju]

Other project which does not use wifi works fine..

So I guess if the HTTP REST and MQTT code as above has something wrong..

[mbruni2]

Hi,

usually I solve this problem with "Add XDK Nature" feature.

Right-Click on the project -> Configure -> "Add Xdk Nature"