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Re: [iot-wg] Struggling with JavaOne Demo

Hi Jens,

Your "connection refused" was probably caused by me having problems
restarting the broker after upgrading it.

Sorry about that.

Cheers,

Roger


On Tue, Jul 22, 2014 at 12:23 PM, Jens Reimann
<jens.reimann@xxxxxxxxxxxxxxx> wrote:
> Hello Benjamin,
>
> thanks for helping out.
>
> At the moment I only get "connection refused" from the Broker.
>
> So maybe I start the other way round and then provide our values to the
> MQTT broker instead. Where could I publish those values to?
>
> Jens
>
> On 07/22/2014 12:51 PM, Benjamin Cabé wrote:
>> Hi Jens,
>>
>> Two things:
>> - the actual greenhouse is still being developed so there might not be data coming in all the time on this topic. You should use the simulator [1] and create a new simulated greenhouse named « eclipse-greenhouse » if you want to easily send/receive fake data and commands.
>> - the latest temperature sent by the greenhouse should however always be available on javaonedemo/eclipse-greenhouse/sensors/temperature since it is supposed to be published as a retained message. It seems there is a bug in Mosquitto somewhere since from time to time the retained message just vanishes. I will ask Roger for help again.
>>
>> Hope this helps?
>>
>> Benjamin.
>>
>>
>> [1] http://198.27.66.207:8081/app/#/greenhouses
>>
>>
>>
>> Le 22 juil. 2014 à 12:43, Jens Reimann <jens.reimann@xxxxxxxxxxxxxxx> a écrit :
>>
>>> Hi,
>>>
>>> I just tried to hook up to the data of the JavaOne Demo [1] and consume
>>> the temperature value using Eclipse SCADA.
>>>
>>> So what I came up with was using Paho and the async client:
>>>
>>> connect(tcp://iot.eclipse.org:1883) -> on success -> subscribe
>>> (javaone2014/eclipse-greenhouse/sensors/temperature)
>>> sleep(10 seconds)
>>> disconnect() -> wait
>>> exit
>>>
>>> While everything works well (connect and disconnect), the subscribe also
>>> seems to succeed, but I never receive any data.
>>>
>>> Maybe someone can help me a little bit.
>>>
>>> Jens
>>>
>>> [1] https://wiki.eclipse.org/IoT/JavaOne2014_Demo
>>>
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>
> --
> IBH SYSTEMS GmbH
> D-85235 Pfaffenhofen an der Glonn
> Läutenring 43
> Geschäftsführer / CEO: Dr. Thomas Heitzig
>
> Amtsgericht München
> Handelsregister Nummer  HRB 197959
> USt ID: DE267945175
>
> Office Munich
> D 80992 München
> Agnes-Pockels-Bogen 1
> T +49 89 18 9 17 49 0
>
> The information transmitted is intended only for the person or entity
> to which it is addressed and may contain confidential and/or pivileged
> material. Any review, retransmission, dissemination or other use of,
> or taking of any action in reliance upon, this information by persons
> or entities other than the intended recipient is prohibited. If you
> received this in error, please contact the sender and delete the
> material from any computer.
>
> _______________________________________________
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