[kaffe] Unexpected java.lang.IllegalMonitorStateException

[Ito Kazumitsu]

In message "[kaffe] Unexpected java.lang.IllegalMonitorStateException"
    on 04/03/24, Ito Kazumitsu <ito.kazumitsu at hitachi-cable.co.jp> writes:

> The behavior of the attached program when run on kaffe is
> different from the behavior when run on Sun's JDK.

I have made a simpler test program.

It seems that the problem occurs when "synchronized" is nested.