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Issue Outdated Grafana Monitoring plugin – no updates available, plugin crashes on start

D

dk-one

New Pleskian
Server operating system version
AlmaLinux 8.10 x86_64
Plesk version and microupdate number
18.0.72.3
I am currently running Plesk Obsidian 18.0.72.3 (AlmaLinux 8.10) with the latest Grafana extension version 1.6.3.

Grafana itself is correctly provided in version 10.4.19+security-01.

The problem:
  • The Plesk backend plugin plesk-json-backend-datasource, required for the Monitoring extension integration, is still from 2021.
  • When Grafana starts, this plugin immediately terminates with the following error:

    logger=plugin.plesk-json-backend-datasource level=error msg="plugin process exited" error="signal: terminated"

  • As a result, no Plesk or server metrics are displayed in Grafana.
  • There is no update available for this plugin in the Extension Store or via the Plesk interface.
  • CLI commands such as:
plesk installer update
plesk installer --install-component monitoring

also do not install any new files.

Current state:
  • Grafana extension: 1.6.3 (July 14, 2025)
  • Monitoring extension: 2.10.1
  • Plugin files under /var/lib/grafana/plugins/plesk-json-backend-datasource are dated June 2021.
Expected behavior:

The plesk-json-backend-datasource plugin should be delivered in a current, compatible version so that Grafana 10.4.19 works correctly with the Monitoring extension.

Questions:
  • Could anyone please provide an updated package or installation method for the current monitoring plugin?
  • Alternatively, a direct download link or instructions on how to manually install the updated plugin?

Thank you very much in advance!

System information:
  • Plesk version: 18.0.72.3 (Build date 2025-09-15)
  • OS: AlmaLinux 8.10 x86_64
  • Grafana version: 10.4.19+security-01
  • Monitoring extension version: 2.10.1
 
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