First, let me say that the combination of the Data Control with the Panel Collection and Table components is stunning! This is a powerful display of Oracle widgetry! I don’t recall having trouble with it at OpenWorld with the first Technical Preview, but I’m hitting a snag now on preview 3.
The results of my Run command are as follows:
I’ll be hunting for a solution here.
Full Stack Code Attack 
My first guest would be that you have a syntax error of some kind in a page template or somehow related to the tag, given the info in the stack trace. If you post your problem to the JDeveloper 11g Tech Preview discussion forum at http://forums.oracle.com/forums/forum.jspa?forumID=381 hopefully either we (Oracle JDev/ADF product managers) or some of your peers can help.
Thanks, Steve. I’m taking your advice.