I just ran into this myself, and can confirm the behavior. GWC presumably
uses the global WMS endpoint to generate tiles. Since workspace styles
aren't visibly in the global endpoints, rendering fails due to not finding
the workspace style.
GWC throws the following:
08 Apr 11:18:11 ERROR [seed.MTSeeder] - Problem communicating with GeoServer
org.geowebcache.GeoWebCacheException: Problem communicating with GeoServer
at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:522)
at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:711)
at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.IllegalStateException: Expected: RenderedImageMap, got
null
at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:575)
at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:517)
... 9 more
and previously in the logs, the underlying GetMap exception:
08 Apr 11:18:11 ERROR [geoserver.ows] -
org.geoserver.platform.ServiceException: No such style: the_style
at
org.geoserver.wms.map.GetMapKvpRequestReader.parseStyles(GetMapKvpRequestReader.java:1386)
at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:318)
at
org.geoserver.wms.map.GetMapKvpRequestReader.read(GetMapKvpRequestReader.java:80)
at
org.geoserver.ows.Dispatcher.parseRequestKVP(Dispatcher.java:1412)
at org.geoserver.ows.Dispatcher.dispatch(Dispatcher.java:622)
at
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:263)
at
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
at org.geoserver.gwc.GWC.dispatchOwsRequest(GWC.java:1162)
at
org.geoserver.gwc.layer.GeoServerTileLayer.dispatchGetMap(GeoServerTileLayer.java:572)
at
org.geoserver.gwc.layer.GeoServerTileLayer.getMetatilingReponse(GeoServerTileLayer.java:517)
at
org.geoserver.gwc.layer.GeoServerTileLayer.seedTile(GeoServerTileLayer.java:711)
at org.geowebcache.seed.SeedTask.doActionInternal(SeedTask.java:136)
at org.geowebcache.seed.GWCTask.doAction(GWCTask.java:76)
at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:36)
at org.geowebcache.seed.MTSeeder.call(MTSeeder.java:25)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
at java.lang.Thread.run(Unknown Source)
GeoServer specs:
Bug submitted to GWC GitHub repo here:
https://github.com/GeoWebCache/geowebcache/issues/232
Thanks,
Shane
On Mon, Feb 10, 2014 at 7:59 AM, Rahkonen Jukka (Tike) <
jukka.rahko...@mmmtike.fi> wrote:
> Hi,
>
> Perhaps it is the same issue as here
> http://thread.gmane.org/gmane.comp.gis.geoserver.devel/24109
> Try if your landrecords namespace endpoint works with the namespace tied
> style.
>
> -Jukka Rahkonen-
>
>
> Mark Volz wrote:
>
> > Hello,
> >
> > I may have run into a possible bug in GS 2.5. Could someone confirm
> this for
> > me. Here is what I noticed:
> >
> > I created a style named parcelstyle and added it to my landrecords
> workspace.
> > Next, I created a parcel layer in the landrecords workspace, and added
> the
> > parcelstyle style to the layer as the default. The GeoServer demo
> worked fine.
> > The GeoWebCache demo did not. GWC complained it could not communicate
> > with GeoServer. I removed the parcelstyle style from my layer and
> replaced it
> > with the generic polygon style. The polygon style worked in both
> GeoServer and
> > GeoWebCache. After some testing I added parcelstyle back to GeoServer,
> I did
> > not tie the style to a workspace. When parcelstyle was not attached to a
> > workspace both the GeoServer and GeoWebCache demos worked fine.
> >
> > Resolution / Possible bug:
> > GeoServer may not create tiles for GeoWebCache when the reference style
> is
> > tied to a workspace.
> >
> > Environment:
> > Layer: The parcel layer is from a shapefile.
> > OS: Windows
> > Java: 7
> >
> > Thanks
> >
> >
> > Mark Volz, GISP
> > GIS Specialist
> >
> >
> >
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--
Shane StClair
Software Engineer
Axiom Consulting & Design
http://www.axiomalaska.com
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