Werk #10128: Fixed potential monitoring core crash when rrdcached is down

Komponente packages
Titel Fixed potential monitoring core crash when rrdcached is down
Datum 03.09.2020
Checkmk-Editon Checkmk Raw (CRE)
Checkmk-Version 2.0.0i1 1.6.0p18
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

The rrdtool library used by the Nagios Event Broker and the Micro Core has a subtle bug, which could lead to undefined behavior when the rrdcached is down or replies with an error. Symptoms are funny log messages or monitoring core crashes when graphs are viewed in the GUI. This has been fixed.

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