[Backlogmanager] [FIWARE-JIRA] (HELP-16563) [fiware-stackoverflow] IotAgent UltraLight over MQTT is not processing values from MQTT broker

Fernando Lopez (JIRA) jira-help-desk at jira.fiware.org
Mon Mar 2 10:02:00 CET 2020


     [ https://jira.fiware.org/browse/HELP-16563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fernando Lopez reassigned HELP-16563:
-------------------------------------

    Assignee: Jason Fox

> [fiware-stackoverflow] IotAgent UltraLight over MQTT is not processing values from MQTT broker
> ----------------------------------------------------------------------------------------------
>
>                 Key: HELP-16563
>                 URL: https://jira.fiware.org/browse/HELP-16563
>             Project: Help-Desk
>          Issue Type: Monitor
>          Components: FIWARE-TECH-HELP
>            Reporter: Backlog Manager
>            Assignee: Jason Fox
>              Labels: fiware, iot, mqtt
>
> Created question in FIWARE Q/A platform on 26-02-2020 at 18:02
> {color: red}Please, ANSWER this question AT{color} https://stackoverflow.com/questions/60419637/iotagent-ultralight-over-mqtt-is-not-processing-values-from-mqtt-broker
> +Question:+
> IotAgent UltraLight over MQTT is not processing values from MQTT broker
> +Description:+
> I am following the tutorial under:
> https://github.com/FIWARE/tutorials.IoT-over-MQTT
> Steps 1 to 3 are followed exactly as in the tutorial (working fine), in Step 4 I am using mosquitto_pub to publish the message to the MQTT broker.
> The MQTT message does not get processed by the IotAgent, however. I can see this when I try to retrieve the data from the Context Broker as in Step 5. 
> Using the debugger with:
> docker exec -it [IOTAGENT CONTAINER] pm2 monit
> also shows nothing happening when the MQTT message is published. I have tried the messaging formats below:
> mosquitto_pub -t "/4jggokgpepnvsb2uv4s40d59ov/motion001/attrs" -m "c|1" 
> mosquitto_pub -t /4jggokgpepnvsb2uv4s40d59ov/motion001/attrs -m '{"c":1}'
> The Mosquitto broker is running and can be subscribed to.
> Am I missing a parameter? What could be the reason that the IotAgent is not working as expected?
> I had tested the setup successfully some months ago, but unfortunately the testing parameters are not available anymore.



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