Werk #23012: Views: no crash on host rows without services

Component

User interface

Title

Views: no crash on host rows without services

Date

Nov 5, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

3.0.0b1 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.5.0p19 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

A view could fail with "argument of type 'NoneType' is not iterable" when it showed the summary of a host that had no service data in a service-based view, for example in a view widget on a dashboard.

The host's setting for escaping the plug-in output is now used in this case.

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