Unifiedbeat fails to start with configuration error, although --checkconfig doesn't find any errors

Elastic Stack Beats
1

If you get the following error while trying to start unifiedbeat, with a valid YML config file,

I```
2016/04/06 18:20:40.501879 u2beat.go:97: CRIT Setup: ERROR: required path to 'gen_msg_map_path' not specified in YAML config file!


make sure you built unifiedbeat with go 1.6 or later.

I got this error when using unifiedbeat build with go 1.5.1.
2

Thanks for reporting. Working with YAML and getting good error reports is kinda tricky at times as libraries are pretty forgiving. We're trying to improve config file parsing + reporting via ucfg (but still early in development).