Werk #5459: Disallow group-related wait objects, avoiding crashes

Component	Livestatus
Title	Disallow group-related wait objects, avoiding crashes
Date	Nov 14, 2017
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0i1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Using wait objects on some tables (hostsbygroup, servicesbygroup, servicesbyhostgroup) doesn't really make sense: Hosts and services can be part of many groups, so we would have to conjure up a random group out of thin air. Consequently, we forbid wait objects on these tables now. Previously, the monitoring core crashed when we would try to wait on such an object, anyway.

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