Strange error at head of a client's log files

[Schrödinger's cat]

I'm really hoping that someone can help me solve this error.

It appears in log files after every reboot, before the client starts folding.

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06:28:11:I2:<config/>
06:28:11:I1:Opening Database
06:28:11:I1:F@H ID = <mind your own business>:28:11:I3:Loading default resource group
06:28:11:I1:Listening for HTTP on 127.0.0.1:7396
06:28:11:E :Exception: Control characters not allowed in JSON strings
06:28:11:E : At: <memory>:59:721

[toTOW]

Do you have non-alphanumeric characters in your Username ?

[Schrödinger's cat]

Do you have non-alphanumeric characters in your Username ?

No. And, it's only happening on one of my 20 RPI 5B's.

[calxalot]

Please try
fahctl state
and look for anything strange in the json printed. Though you probably won’t see control characters.

There is the option of finishing folding, stopping the service, deleting client.db, and restarting the service. You might want to add your account-token to config.xml before restarting the service.

[Schrödinger's cat]

Please try
fahctl state
and look for anything strange in the json printed. Though you probably won’t see control characters.

There is the option of finishing folding, stopping the service, deleting client.db, and restarting the service. You might want to add your account-token to config.xml before restarting the service.

fahctl state returns :

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Missing python3-websocket library

Please forgive my ignorance, but how do I install the python3-websocket library?

[calxalot]

I think
sudo apt install python3-websocket

Or
pip3 install websocket-client
You might need sudo for that

[Schrödinger's cat]

Please try
fahctl state
and look for anything strange in the json printed. Though you probably won’t see control characters.

I looked and didn't see anything that seemed unusual.

I've been messing around with over clocking, and the problem started after that. Note that these are headless machines and the account token must be correct, as I can see it in the web control, even though it's a remote machine.

Do you think I should delete the client.db, as it might have become corrupted?

[calxalot]

Yes, that was the thought.
Make sure the account token is in config.xml

[Schrödinger's cat]

Yes, that was the thought.
Make sure the account token is in config.xml

I don't see the options of deleting the client.db, stopping or restarting the service in fahctl help.

Did I misunderstand that fahctl can perform these action?

[calxalot]

No, it cannot.

[calxalot]

You need to use systemctl commands

[calxalot]

fahctl -h
Shows all it can do

[calxalot]

Commands are

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systemctl status --no-pager -l fah-client
sudo systemctl start fah-client
sudo systemctl stop fah-client
sudo systemctl restart fah-client

sudo systemctl daemon-reload

On some linux distributions, you might not need sudo with systemctl.

[calxalot]

Your config.xml is in /etc/fah-client/
client.db is in /var/lib/fah-client/

All assuming you are using the standard service install of fah.

[Schrödinger's cat]

Thanks for all your help calxalot.

I ended up doing:

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sudo nano /etc/fah-client/config.xml
sudo service fah-client stop
sudo rm /var/lib/fah-client/client.db
sudo reboot

Which fixed the error, and after rebooting, I removed the account token from config.xml

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sudo service fah-client stop
sudo nano /etc/fah-client/config.xml
sudo service fah-client start