Unresponsive threading involving Swing and AWT-EventQueue

Question

I have an application that is unresponsive and seems to be in a deadlock or something like a deadlock. See the two threads below. Notice that the My-Thread@101c

Answer 1

Some thread (I assume My-Thread@101c) is synchronized on your TransactionalSystemImpl instance. The UI thread is trying to enter executeImpl but is blocked on the synchronized monitor and cannot. Where else is the TransactionalSystemImpl instance being used (with synchronized entry)? Probably between

  at com.acme.ui.ViewBuilder.renderOnEDT(ViewBuilder.java:157)
    .
    .
    .
  at com.acme.util.Job.run(Job.java:425)