Apparently, it's not installed by default with jdk. In fact, there is a link to the zip but the file itself isn't downloaded. So, simple solution:
sudo apt-get install openjdk-6-source
Apparently, it's not installed by default with jdk. In fact, there is a link to the zip but the file itself isn't downloaded. So, simple solution:
sudo apt-get install openjdk-6-source