I can't see where you reported that after paying for Red Hat ES3 you used the support available from Red Hat. Also I can't see where you posted your bug in Bugzilla. I'm sure if you'd done the latter then someone would have been all over it. Here's the result of the search I did for Enterprise Server 3 and Oracle
Bugzilla search results
It would be useful to add "report bugs to your distro" to the list of recommendations. Who knows, maybe other people know _exactly_ what your problem is because they fixed it on their own and didn't report the bugs back to their distro maintainers?