Werk #19949: Fix crash in Jenkins Memory check when metric value is not a number

Component

Checks & agents

Title

Fix crash in Jenkins Memory check when metric value is not a number

Date

May 7, 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 Cloud, Checkmk Ultimate MT
2.5.0p4	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p30	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

Previously, the Memory service on Jenkins hosts could crash when Jenkins reported a "NaN" string value for a JVM memory pool metric. This has now been fixed. Non-numeric memory values are now silently skipped instead of causing an error.

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