throw new ServiceException("Failure while pre-processing regionated features", t);
}
// This okay, just means the tile is empty
if (featuresInTile.size() == 0) {
throw new HttpErrorCodeException(204);
} else {
FilterFactory ff = CommonFactoryFinder.getFilterFactory(null);
Set<FeatureId> ids = new HashSet<FeatureId>();
for (String fid : featuresInTile) {
ids.add(ff.featureId(fid));