Can't login to MQTT broker wih WSS

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Masao Sekine

• January 22, 2024 05:33

Hi.

I am trying to make a simple server app working toward to DJI Dock with Cloud API .

When I configure DJI Dock to connect "third party service" like "ws://xxx.xxxx.xxx.xxx:8083" (this is MQTT broker address) it is OK, actually Dock starts publishing some OSD messages.

But When I change it to "wss://xxx.xxxx.xxx.xxx:8084" (WebSocket via TLS)

it seems that DJI Dock does not do connect to MQTT broker and failed to connect.

I am using MEQX docker image for broker and making server side app by mqtt.js+vue.

Any suggestions? 

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  DJI Developer Support

  • January 22, 2024 12:09

  Hello, what kind of certificate are you using?

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  Masao Sekine

  • January 22, 2024 23:08

   

  Hi thanks for the reply.

  I'm newbie so I don't exactly know your question meaning.

  I am using docker image version of EMQX and it seems that the one already have certification files(pem files, but dont know which one) inside of the images. (If it is incorrect, plz let me know)

  I've also configured cloud version of EMQX and tried to connect with wss, it worked!

  So sounded that I am misconfiguring docker version of EMQX with some certification matter.

  If you know anything related to it, please let me know.

  Thank you.

   

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  DJI Developer Support

  • January 23, 2024 09:57

  Where did you get your EMQX image?

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  Masao Sekine

  • January 23, 2024 10:35
  • Edited

  just using docker pull

  docker pull emqx/emqx:5.4.1

  When it starts, it shows port 8084 is available for wss.

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  DJI Developer Support

  • January 23, 2024 12:16

  The free emqx image should not contain a certificate

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