On Wed, Jul 26, 2017 at 5:39 PM, Jody Garnett <jody.garnett@anonymised.com>
wrote:
You found a regression 
It is a bit concerning you have a Style_UUID which does not exist. Styles
are optional in a LayerGroup, indicating use of a default style. I presume
the WMSLayers do not provide a style causing the problem
I think the way to fix this would be to detect when a WMSLayer is used and
not look for a style in that case.
Even WMS layers have a style, one is mandatory for every type of layer,
even if it does not make sense to have one.
WMS cascading ones are treated as raster sources, so they need the "raster"
style to work properly.
The real issue is that the reference is dangling, and how it got that way
(and why 2.10.x did not care,
that's also surprisin).
Andreas, question, how did you configure the capabilities document
generation in the global settings?
See also:
http://docs.geoserver.org/stable/en/user/configuration/globalsettings.html#handle-data-and-configuration-problems
Cheers
Andrea
--
Regards,
Andrea Aime
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