Where is this thread snapshot coming from? Can you get the other thread with which this deadlock occurs as well? Does it happen every time you start your WebLogic? How can you say it is a deadlock?
We are not testing with WebLogic, so I can't reproduce at the moment. Maybe if you set agent debug level to DEBUG and provide more info with the entire log I can see some more to at least offer a workaround, if not find the root cause.
Thanks!