Usb port reading problem

General
21

Start Node-RED

2 Mar 07:13:44 - [info] Node-RED version: v3.0.2
2 Mar 07:13:44 - [info] Node.js version: v16.19.1
2 Mar 07:13:44 - [info] Linux 4.19.0-23-amd64 x64 LE
2 Mar 07:13:44 - [info] Loading palette nodes
2 Mar 07:13:44 - [info] Settings file : /home/jeedom/.node-red/settings.js
2 Mar 07:13:44 - [info] Context store : 'default' [module=memory]
2 Mar 07:13:44 - [info] User directory : /home/jeedom/.node-red
2 Mar 07:13:44 - [warn] Projects disabled : editorTheme.projects.enabled=false
2 Mar 07:13:44 - [info] Flows file : /home/jeedom/.node-red/flows.json
2 Mar 07:13:44 - [info] Creating new flow file
2 Mar 07:13:44 - [warn]

2 Mar 07:13:44 - [warn] Encrypted credentials not found
2 Mar 07:13:44 - [error] Uncaught Exception:
2 Mar 07:13:44 - [error] Error: listen EADDRINUSE: address already in use 0.0.0.0:1880
at Server.setupListenHandle [as _listen2] (node:net:1463:16)
at listenInCluster (node:net:1511:12)
at doListen (node:net:1660:7)
at processTicksAndRejections (node:internal/process/task_queues:84:21)
nodered.service: Main process exited, code=exited, status=1/FAILURE
nodered.service: Failed with result 'exit-code'.

22

Please do what I asked, run both commands I suggested, and post the full output including the commands entered.

23

Also, that is not the node red setup that you normally run, as there is no flows file at that location.

1 Like
24

@RemyH did you work out what the issue was?

25

Salut

No, not al all
but as I don't understand what you need to help me, I gave up

26

You did not understand what I meant by running
node-red-stop
node-red-start
and posting the full output here?

Also I pointed out that node-red-start tried to open a new flows file, so you can't be using the usual method of starting node-red when you get the error you posted.

27

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