From joerg.herbel@tribe29.com Wed Mar  8 14:14:53 2023
From: Joerg Herbel <joerg.herbel@tribe29.com>
To: checkmk-werks-lvl1@lists.checkmk.com
Subject: Checkmk Werk 15409: Agent receiver crashes on IPv4-only Checkmk
 servers (regression introduced by werk 15416)
Date: Wed, 08 Mar 2023 14:14:53 +0100
Message-ID: <1678281293.458103.2328470.nullmailer@review.lan.tribe29.com>
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ID:          15409
Title:       Agent receiver crashes on IPv4-only Checkmk servers (regression =
introduced by werk 15416)
Component:   Checks & agents
Level:       1
Class:       Bug fix
Version:     2.3.0b1

<a href=3D"https://checkmk.com/werk/15416">Werk 15416</a> introduced a regres=
sion which caused the
agent receiver to crash on IPv4-only Checkmk servers. After starting, the rec=
eiver was initially
reported as `running` for a brief amount of time by <tt>omd status</tt>, howe=
ver, it then crashed
with the following error message:
F+:var/log/agent-receiver/error.log
[ERROR] Can't connect to ('::', 8000)
F-:



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