Hi Curtis,
Your changes make sense. Alternately, you could make TextEditor 
implement Runnable, have fileChooser get instantiated in the run() 
method, and invoke it from the constructor with the 
SwingUtilities.invokeLater method -- this would constrain the creation 
to a single thread, which if I understand your message correctly would 
prevent the deadlock issue.
That might be a good addition. However, I am not completely sure that 
the cause of the lockup is really  from  multiple threads.
A number of other folks have encountered this problem:
http://www.google.com/search?hl=en&q=sun.misc.Unsafe.park+jfilechooser&btnG=Search&aq=f&oq=
And there is no real clear solution. It was suggested (and I added this 
to the IDV) that setting a property on the JFileChooser in its updateUI 
method stops this problem:
public void updateUI() {
 putClientProperty("FileChooser.useShellFolder", Boolean.FALSE);
 super.updateUI();
 }
I may add this as well to TextEditor.
Either way - this still requires a change of the protected fileChooser 
member of TextEditor
-Jeff