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 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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