This has started occurring recently, possibly related to installing the beta. Node-red 3.1.0-beta3, npm 16.19.1 is running on a Raspberry Pi Zero 2. Mosquitto 1.5.7 runs on another Pi in the same network. When I restart Node-red the MQTT nodes show the red triangle. After moving a node to mark th…

I am not hopeful, but you could try clearing the browser cache (from the menus) and reload the page.

It doesn't resolve it but clearing the cache and reloading the page triggers it. This is Firefox, on a PC not the NR machine. I have it set to clear everything when the browser exits. Is the node config stored in the browser? in cookies? After clearing, reloading, fix and deploying I don't seem t…

[image] jbudd: Is the node config stored in the browser Not if you have cleared the cache and refreshed the page. What is in the node red startup log?

Welcome to Node-RED =================== 9 Jun 16:49:44 - [info] Node-RED version: v3.1.0-beta.3 9 Jun 16:49:44 - [info] Node.js version: v16.19.1 9 Jun 16:49:44 - [info] Linux 6.1.19-v8+ arm64 LE 9 Jun 16:49:46 - [info] Loading palette nodes 9 Jun 16:49:51 - [info] Dashboard version 3.5.0 started …

Have you got any unused mqtt config nodes?

No, none. (I think) I deleted and recreated the config ID, still the same.

Clutching at straws here. Have you checked the browser console? Otherwise, maybe downgrade node red again and see what happens. You may have to remove a spurious config node after downgrade.

@jbudd if you can recreate this in a repeatable manor, could you please raise an issue on the Node-RED repository? Please include the stepwise instructions. Thank you.

I have tried a new OS installation, installing NR, installing the beta ...# The issue has not (so far) manifested.

I have re-opened this following discussions at 🎉 Node-RED 3.1.0-beta.4 released - #33 by Colin I have also edited the title to indicate the problem re-appears after refreshing the browser.

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When I restart Node-red, or refresh the browser, MQTT broker & nodes show error

General

Colin 21 August 2023 13:43 15

See 🎉 Node-RED 3.1.0-beta.4 released - #44 by Colin

Closing this again.

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When I restart Node-red, or refresh the browser, MQTT broker & nodes show error

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