Re: [paho-dev] NPE thrown by MqttAndroidClient without any boject set to

["James Sutton1" <james.sutton@xxxxxxxxxx>]

Hi Sergio, 

 

Could you provide the stack trace please, It might help with identifying the cause.

 

Kind regards,

 

James Sutton
Software Engineer - IoT Foundation - MQTT Open Source Projects
Ops Team - Wimbledon Project

Phone: 01962 815438 | Extension: x372454 E-mail: james.sutton@xxxxxxxxxx Personal Website: www.jsutton.co.uk Find me on:	Hursley Park Hursley, SO212JN United Kingdom

 

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----- Original message -----
From: Sergio Torassa <sertorassa@xxxxxxxxxxx>
Sent by: paho-dev-bounces@xxxxxxxxxxx
To: General development discussions for paho project <paho-dev@xxxxxxxxxxx>, "ingeniero@xxxxxxxxxxxxxxxxxxx" <ingeniero@xxxxxxxxxxxxxxxxxxx>
Cc:
Subject: Re: [paho-dev] NPE thrown by MqttAndroidClient without any boject set to null
Date: Mon, May 1, 2017 7:40 PM
 

I forgot to mention that also topic is not null. It is a string

Il 01/mag/2017 20:01, Manuel Domínguez Dorado <manolodd@xxxxxxxxx> ha scritto:
>
> What about publishTopic?
>
> Perhaps this is null.
>
> 2017-05-01 19:26 GMT+02:00 Sergio Torassa <sertorassa@xxxxxxxxxxx>:
>>
>> Hello all
>>
>>
>> I'm trying to develop a very simple Android app based upon MQTT.
>>
>> Just from the beginning I started with an NPE thrown by MqttAndroidClient.publish(String topic, MqttMessage message) method.
>>
>>
>> This is the excerpt of the code where the NPE is thrown:
>>
>>
>> try {
>>     MqttMessage msg = new MqttMessage("test".getBytes());
>>     mqttAndroidClient.publish(publishTopic, msg);
>> } catch (Exception e) {
>>     throw new RuntimeException(e);
>> }
>>
>> I checked both mqttAndroidClient and msg and neither of them are null.
>>
>> From the MQTT documentation MqttAndroidClient.publish() method is not supposed to throw a NPE.
>>
>> What could be the reason for that?
>>
>>
>> Thanks
>>
>> Sergio
>>
>>
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>
>
>
>
> --
> ---
> Manuel Domínguez Dorado
> Software engineer (Ph.D, M.Sc., B.Sc.)
> Certified Project Management Professional (PMP)
> ingeniero@xxxxxxxxxxxxxxxxxxx
> http://www.ManoloDominguez.com
> (+34) 607 418 760
>

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