Here's the output

This applet works fine when applet viewer is not in debug mode.

userguide% appletviewer -debug WireFrame/example1.html
Loading jdb ...
0xee301bd8:class(sun.applet.AppletViewer)
> run
run sun.applet.AppletViewer WireFrame/example1.html
running ...
Uncaught exception: java.lang.NullPointerException
        at java.lang.Integer.parseInt(Integer.java)
        at java.lang.Integer.parseInt(Integer.java)
        at sun.net.www.URLConnection.getContentLength(URLConnection.java:150)
        at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:67)
        at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:150)
        at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:115)
        at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:101)
        at sun.applet.AppletPanel.run(AppletPanel.java:221)
        at java.lang.Thread.run(Thread.java)
 
Thread-6[1]