Need JNLP Server Implementation

I'm using WebStart to deploy a Swing based application on a classified network. I want to use some of the advanced features such as automatic JRE version deployment but I can't get to Sun's site to use their JNLP server because I'm on a closed network.
I know I can specify my own URL but before I go and re-invent the wheel I was wondering if anybody knew of an JNLP Server implentation already available? Please don't suggest the Juniper project.. there is nothing there and the developer/author whose project it is will not respond!

Have you checked out the Unofficial FAQ at http://vamphq.com/jwsfaq.html ?
It includes the source for a JRE installer. It's not hard to roll your own .

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