John,

thanks very much for your detailed bug report. I can now reliably 
reproduce this behaviour. I have created a Jira issue:
https://jira.codehaus.org/browse/GEOS-6014

Per-workspace URLs are a relatively new feature. These are the URLs 
containing geoserver/gsmlp/ows or similar instead of the top-level 
geoserver/ows or similar. It looks like there is a bug in app-schema, 
and that app-schema per-workspace URLs cause corruption of other 
namespaces, if and only if they are the first layer accessed after a 
GeoServer restart.

The workaround is to not use per-workspace URLs like this:

http://maps.dgs.udel.edu/geoserver/gsmlp/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=gsmlp:GeologicUnitView&maxFeatures=1

Instead only use top-level URLs like this:

http://maps.dgs.udel.edu/geoserver/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=gsmlp:GeologicUnitView&maxFeatures=1

Thanks again.

Kind regards,
Ben.

On 02/09/13 15:48, Ben Caradoc-Davies wrote:
> Confirmed.
>
> Thanks for your zipped workspace. I started with the release example
> workspace (the one shipped with GeoServer) and used the app-schema
> tutorial GeologicUnit property file in a new gsmlp workspace and then
> edited the datastore as you described. I used your mapping file, changed
> the data store to use the property file, and edited the mappings to
> match the property file. The output is either fine or has null
> namespaces, seen both gsmlp:GeologicUnitView and topp:tasmania_roads,
> the latter being an unrelated simple feature. I have attached the
> workspace zip file.
>
> The problem is intermittent. Changing settings seems to trigger it, but
> not reliably. If I can figure out how to repeat the behaviour, I might
> be able to determine if app-schema is the root cause.
>
> Kind regards,
> Ben.

-- 
Ben Caradoc-Davies <ben.caradoc-dav...@csiro.au>
Software Engineer
CSIRO Earth Science and Resource Engineering
Australian Resources Research Centre

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