Node red suddenly CONNECTION_REFUSED

The opening environment in CMD is normal

Node-red has been crashed by the contrib node Node-red-contrib-qcloud-iotexplorer

This is due to poor error handling in the contrib node. You should report this on the GitHub repository.

Ps, by the looks of it, that node is just MQTT Pub/Sub - you can do this with standard MQTT built in nodes.

But now I can't enter and modify it

Start node-red in safe mode

node-red --safe
1 Like

Thank you for your help. I went in and modified it. Now I can enter it normally

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