Werk #19049: Fixed Livestatus crash when the rrdcached is not running

Component

Livestatus

Title

Fixed Livestatus crash when the rrdcached is not running

Date

Feb 9, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.6.0b1 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.5.0b1	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT
2.4.0p21	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Checkmk 2.4.0 introduced a regression where retrieving metric data via Livestatus results in monitoring core crash when the rrdcached is not running. This has been fixed, we now just log an error.

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