Question Plesk Grafana errors

[UHolthausen]

Server operating system version

Debian 12.11

Plesk version and microupdate number

Plesk Obsidian 18.0.71 Update 1 Web Pro Edition

Hello

since the last update of Grafana the log( grafana and sys) are full of entries. What causes this?

Grafana itself works without any problems.

Example:

2 00:00:16 server grafana[2462093]: logger=plugin.context t=2025-07-22T00:00:16.00257062+02:00 level=warn msg="Could not create user agent" error="invalid user agent format"
Jul 22 00:00:31 server grafana[2462093]: logger=plugin.context t=2025-07-22T00:00:31.00182883+02:00 level=warn msg="Could not create user agent" error="invalid user agent format"
Jul 22 00:00:32 server grafana[2462093]: logger=plugin.context t=2025-07-22T00:00:32.001197136+02:00 level=warn msg="Could not create user agent" error="invalid user agent format"

 

[Sebahat.hadzhi]

Hello, @UHolthausen . We do have a registered bug on our end identified with ID EXTPLESK-9121. Our team suspects that the root cause might be a bug in Grafana, but the case is currently still under investigation. The workaround, we can suggest is:

1. Open the /etc/grafana/grafana.ini file for editing with vi/nano.
2. Change the value of level from warn to error:
   
   

   [log]
   # Either "console", "file", "syslog". Default is console and  file
   # Use space to separate multiple modes, e.g. "console file"
   ;mode = console file
   
   # Either "debug", "info", "warn", "error", "critical", default is "info"
   level = error

3. Restart Grafana
   

   service grafana-server restart