Due to a Makefile bug the new Java Plug-In is not showing up in the Solaris or Linux builds. The reason it was working during development is that a different order of execution of make targets was done compared to the normal / nightly builds. During development we built j2se, built deploy, and then built images; where the nightly build builds j2se, builds images, builds deploy, and then builds deploy-images to copy the deployment files directly into the already-built images.
Issue discovered and reported by ###@###.###.