1. Type
        % appletviewer TicTacToe

2. Output
        I/O exception while reading: /net/tachyon/export/disk1/Mosaic/docs/webrunner.neato.org/JDK-prebeta1/applets/TicTacToe/TicTacToe

Problem:
this should print out some sensible error message indicating that I shouldn't
be passing in a class name, but rather a url.