Werk #2894: Fixed broken cluster checks when using Nagios core

Component	Core & setup
Title	Fixed broken cluster checks when using Nagios core
Date	Dec 9, 2015
Level	Prominent Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i4 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT 1.2.8b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate MT

When monitoring clustered hosts using Nagios as core, the Check_MK service always resulted in an UNKNOWN state and this exception:

NameError: global name 'set_use_cachefile' is not defined

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