Werk #2647: Fix crash of CMC in case of duplicate host

Component	Core & setup
Title	Fix crash of CMC in case of duplicate host
Date	Oct 5, 2015
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Not yet released Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.2.7i3 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

In certain situtations when you have a non-valid configuration (e.g. a duplicate host) than the Check_MK Micro Core would not be able to start correctly due to a problem in the handling of errors in the RRD creation helper. This has been fixed.

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