Time for action – installing native JAI

Java Advanced Imaging (JAI) is a library developed by Oracle for advanced image manipulation. GeoServer can run without it, as it is shipped with a pure Java version of JAI. Installing JAI greatly improves performance when working with images, that is, raster format data. If you are not going to use spatial raster data, GeoServer works with image formats when you ask for a map, for example, in a WMS GetMap request, so it is really worthwhile to have it on your production site:

1. Download the proper package for your system, Linux or Windows, from http://download.java.net/media/jai/builds/release/1_1_3/:

   ~$ wget http://download.java.net/media/jai/builds/release/1_1_3/jai-1_1_3-lib-linux-amd64-jre.bin

2. Copy the file into the folder where you installed the JRE and then run it:

   ~$ sudo cp jai-1_1_3-lib-linux-amd64-jre.bin /usr/lib/jvm/jre1.7.0_04/.
   ~$ cd /usr/lib/jvm/jre1.7.0_04/
   ~$ sudo sh jai-1_1_3-lib-linux-amd64-jre.bin

3. The program prompts you for the license...