Werk #22740: db2_connections: don't crash if the port is missing

Component

Checks & agents

Title

db2_connections: don't crash if the port is missing

Date

Oct 15, 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
2.5.0p17 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT
2.4.0p38 Not yet released	Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT

The DB2 Connections service crashed with KeyError: 'port' if the agent plug-in reported the number of connections for a database but not its port.

The service now checks the connections as usual and only shows the port when the agent reports it.

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