12. GeoServer Setup
To use some of the functionality in Bridge GeoServer extensions are required. You can download the required extensions matching the version number of your GeoServer installation on the GeoServer web page.
ArcSDE
To publish ArcSDE layers to Esri ArcSDE® datastores in GeoServer it is required to have GeoServer ArcSDE® datastores extension installed. Make sure to install the version of the extension that matches the version number of your GeoServer installation.
Chart renderer
To publish chart symbology it is required to have the Chart Symbolizer extension installed. Make sure to install the version of the extension that matches the version number of your GeoServer installation.

GeoPackage
GeoServer natively supports the GeoPackage format starting from GeoServer version 2.12. To get GeoPackage support on GeoServer with a version lower than 2.12, please install the GeoPackage extension for GeoServer. Make sure to install the version of the extension that matches the version number of your GeoServer installation. A prerequisite for the GeoPackage extension is the Web Processing Service (WPS) extension, so please make sure to the WPS extension first.
Oracle Spatial
To publish layers from an Oracle spatial database to a Oracle spatial datastore in GeoServer it is required to have the Oracle extension installed. Make sure to install the version of the extension that matches the version number of your GeoServer installation.