How is your handle broken? There are primarily two different ways it can break. Either the handle itself (being plastic) breaks, or it could be the yellow plastic connector that connects the handle to the rods.
Either way, you will need to remove the access panel on the inside of the tailgate.
The Handle System Server requires Java to run. If you already have Java installed, confirm that has a version number between 1.1.7 and 1.3.1. You can check this by running the command java -version.
If you need to install Java, you can obtain a version for several popular platform Unpacking the Distribution