How do I get "Send to Compressor" to work with a cluster?

So more distributed computing woes. Here's what I've found so far.

If I add a clip to a FCPX Timeline, send that to Compressor and submit to "This Computer" it works fine.

If I take the clips media file from the Final Cut Events folder and manually add it to Compressor and submit to the cluster it also works fine. So I think the media, permissions, cluster, etc are all working properly.

However, if I send the FCPX Timeline to Compressor and submit that to the cluster all it does is "successfully" render some kind of disconnected media video.

The editing machine, cluster controller, and cluster nodes are all running FCPX, Motion 5, and Compressor 4.

If anyone has any ideas why this doesn't work please let me know.