Hi Bryan,
the GeoServer geopackage module is currently unsupported, so the best
answer to your question likely lies in fixing the code.

That said, share a request that _does not_ work, and the GeoServer logs of
the failure (from its log file, the full stack trace),
that might give us some clue as to what might be happening.

Cheers
Andrea


On Fri, Oct 21, 2016 at 6:21 PM, Bryan Moore <[email protected]> wrote:

> I can successfully generate a GeoPackage file from the "nurc:Arc_Sample"
> layer included with GeoServer but the other raster layers (nurc:Pk50095,
> nurc:mosaic, nurc:Img_Sample, sf:sfdem) fail.
>
> Environment:
> GeoServer v. 2.9.1, With WPS and GeoPackage extensions installed.
> (geoserver-2.9-SNAPSHOT-geopkg-plugin.zip, geoserver-2.9.1-wps-plugin.zip)
>
> The attached xml file can be used successfully to ask GeoServer to create
> a GeoPackage file.  It requests the “nurc:Arc_Sample” raster.
>
> Executing:
> curl -u admin:geoserver -H 'Content-type: xml' -XPOST -d@
> 'workingGeoPackageRequest.xml' http://localhost:8080/geoserver/wps
>
> Returns:
> http://localhost:8080/geoserver/ows?service=WPS&version=1.0.
> 0&request=GetExecutionResult&executionId=56ebf82e-d111-4e3f-
> a287-ed5870fc2487&outputId=mygeopackage.gpkg
>
> Testing:
> Put the above URL into browser and download the GeoPackage file.
> Create a new Store -> GeoPackage(mosaic) using the downloaded file.
> Publish the layer
> Preview the layer.
>
> This works great with the nurc:Arc_Sample layer but fails with
> nurc:Pk50095, nurc:mosaic, nurc:Img_Sample, sf:sfdem or any of my own
> GeoTiff layers.
>
> nurc:mosaic and sf:sfdem return: exceptionCode="NoApplicableCode" Process
> failed during execution   java.lang.NullPointerException
> nurc:Pk50095 and nurc_Img_Sample return Error rendering coverage on the
> fast path  java.lang.IllegalArgumentException: Band number 3 is not valid.
>
> Any idea what is going wrong or can anyone create an xml file that will
> successfully get the GeoPackage file for any of the other raster layers.
>
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-- 
==
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==

Ing. Andrea Aime
@geowolf
Technical Lead

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