Werk #19083: Prevent crash when showing notes URL for hosts or services

Component

User interface

Title

Prevent crash when showing notes URL for hosts or services

Date

Jan 6, 2026

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 Ultimate MT
2.4.0p19	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Using the “Notes (URL) for Services” or “Notes (URL) for Hosts” columns in views could previously lead to a crash with an error such as "KeyError: 'host_address'".

This issue has been fixed, and the notes URL columns can now be used safely without causing a crash.

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