MQTT Trigger Node hanging when listening for event

Describe the problem/error/question

When I want to test a MQTT Trigger Node by clicking on the button “Listen for Event” the workflow hangs. It cannot be stopped, nor does it respect any timeout limits set.

What is the error message (if any)?

no error message

Please share your workflow

Share the output returned by the last node

no data returned

Information on your n8n setup

  • n8n version: 1.16.0
  • Database (default: SQLite): SQLite
  • n8n EXECUTIONS_PROCESS setting (default: own, main): main
  • Running n8n via (Docker, npm, n8n cloud, desktop app): Docker
  • Operating system: Ubuntu 22.04

Hey @Pantek,

I have not forgotten about this, I was going to check it today but ran out of time so this will be the first thing I look at tomorrow morning.

Hey @Pantek,

I have managed to reprduce this and have created NODE-935 as our internal dev ticket to fix this.

1 Like

Excellent, thanks!

any update on this? I’m having the same problem :slight_smile:

Hey @bees8,

It is currently wating to be picked up, It looks like the node needs a few changes not just this one so they may be handled at once.

1 Like

Thanks Jon. I restarted the instance and just let it trigger with a production flow.

works perfectly, got triggered about 91,000 times for the past 48 hours :wink:

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