Hello Experts I am facing issue mqtt connection issue. I am creating mqtt object in function node, I dont see way to disconnect or destroy mqtt connection, on redeploy of flow when I try connect method its get connected but seems like in memory there are two mqtt connection get created hence there …

Hi and welcome. As you are DIY (doing it yourself) in a function node instead of using the built in MQTT nodes, it is difficult for regular users to help. I can clearly see what your issue is but would take me a fair bit of time to explain and is ultimately pointless as the the built in MQTT node s…

Actually with mqtt node I was facing same issue so was trying with DIY Here is with mqtt node, it keep switching connect/disconnect. [mqttnoderror]

[image] ibsoftweb: Here is with mqtt node, it keep switching connect/disconnect. There is a number of fixes in Node-RED v3.0.0-beta.3 around MQTT (and will eventuially make it into Node-red 2.x stream) So perhaps you might want to try the beta? [image]

[image] Steve-Mcl: Node-RED v3.0.0-beta.3 Will try that for sure, but existing system having 2.x will have this issue right?

Maybe. Maybe not. All I can say is that in certain circumstances the MQTT node can get locked up for various reasons. I don't know what you did so cannot say for certain if the fixes cover your use case. What I can say is that it is much more stable in v3 beta.

ok no problem. For my it seems like some issue, as I have created simple flow having mqtt connection, it works will until I do some changes in deploy. The only thing is my mqtt node dynamic and its not auto connected. Same thing with DIY. In both case I see same behavior. I will try with v3 beta an…

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MQTT Node frequently connect disconnect with azure iothub

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ibsoftweb 28 June 2022 12:15 5

Will try that for sure, but existing system having 2.x will have this issue right?

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MQTT Node frequently connect disconnect with azure iothub

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