Hello everyone,
been tinkering with geoserver 2.22.0 (openjdk 11, tomcat 9.0.70, ubuntu
22.04) for a few
months now. Most of it works fine except for the performance of tile
rendering, so the next
step was to use a feature-pregeneralized plugin. After taking a peek at the
source code, I
was able to set up a Generalizing data store to some degree. However, when
publishing
layers from mentioned data store nasty error is being displayed:
Caused by: java.io.IOException: Data store named x in workspace y not found
at
org.geotools.data.gen.PreGeneralizedFeatureSource.dsNotFoundException(PreGeneralizedFeatureSource.java:101)
at
org.geotools.data.gen.PreGeneralizedFeatureSource.getBaseFeatureSource(PreGeneralizedFeatureSource.java:116)
at
org.geotools.data.gen.PreGeneralizedFeatureSource.getSchema(PreGeneralizedFeatureSource.java:357)
at
org.geotools.data.gen.PreGeneralizedFeatureSource.getSchema(PreGeneralizedFeatureSource.java:394)
at
org.geotools.data.gen.PreGeneralizedFeatureSource.getSchema(PreGeneralizedFeatureSource.java:67)
at
org.geoserver.catalog.CatalogBuilder.buildFeatureType(CatalogBuilder.java:342)
at
org.geoserver.catalog.CatalogBuilder.buildFeatureType(CatalogBuilder.java:325)
at
org.geoserver.web.data.layer.NewLayerPage.buildLayerInfo(NewLayerPage.java:421)
...
After some inspection, it appears that following code is under suspicion:
private SimpleFeatureSource getBaseFeatureSource() throws IOException {
DataStore ds =
repository.dataStore(
new NameImpl(info.getDataSourceNameSpace(),
info.getDataSourceName()));
if (ds == null)
dsNotFoundException(info.getDataSourceNameSpace(),
info.getDataSourceName());
return ds.getFeatureSource(info.getBaseFeatureName());
}
private void dsNotFoundException(String wsName, String dsName) throws
IOException {
String msg = "Data store named " + dsName;
if (wsName != null) msg += " in workspace " + wsName;
msg += " not found";
throw new IOException(msg);
}
Interestingly
enough, /geoserver/web/wicket/bookmarkable/org.geoserver.web.data.store.
DataAccessEditPage?n&storeName=x&wsName=y (data store edit page) happily
opens
data store referenced in GeneralizationInfos xml. After digging a little
deeper, it surprisingly
seems, that geoserver code uses GeoServerApplication().getCatalog() while
plugin
uses Repository adapter for the same thing. Guessing there are no data
stores passed to it,
but checking that would be a project of the month.
Similar questions regarding feature-pregeneralized errors while using
database data stores
pop up every couple of years in forums and mailing lists with no answer.
Haven't been
asked in 2023 yet :)
Best regards,
Aurimas Kasauskas
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