Explore the latest product updates and best practices at our hybrid Checkmk Conference #12 from June 16-18, 2026 – Register here

Werk #18025: agent_alertmanager: fix wrong enpoint url

Component Checks & agents
Title agent_alertmanager: fix wrong enpoint url
Date May 12, 2025
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

The special agent was crashing with the following error:

  File "/omd/sites/site_name/lib/python3.12/json/decoder.py", line 356, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

To the list of all Werks