Is this a bug? (unexpected IllegalMonitorStateException)

[Dave Dice]

>
> I've been down this road with Dave Dice a few times. I think the  
> only language is wimpy in that same 8.13 section where it says  
> "Normally, a compiler for the Java programming language ensures that  
> the lock ... is matched by an unlock operation ... whether  
> completion is normal or abrupt. This of course says nothing about  
> bytecodes anyway.

Lets say the language was finessed to give implementors wide  
latitude.  (:>).

Dave