Werk #6350: Fixed broken checking of unrelated hosts when using manual checks

Component	Core & setup
Title	Fixed broken checking of unrelated hosts when using manual checks
Date	Jul 14, 2018
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0b9 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

When using the Check_MK Raw Edition it could happen that configuring manual checks for a host broke the check execution of unrelated hosts.

The configuration of the manual check of all hosts was loaded into the context of such an unrelated host. Because a host only loads the check definitions of the checks it needs during checking, those manual check configurations were trying to access unavailable data. This lead to a crash and a "(null)" output shown for the "Check_MK" service.

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