appletviewer when started with -debug flag spit an exception and hangs.

./appletviewer -debug /net/tachyon/export/disk1/Mosaic/docs/webrunner.neato.org/JDK-prebeta1/applets/TicTacToe/example1.html
Loading jdb ...
0xee301bb0:class(sun.applet.AppletViewer)
> run
run sun.applet.AppletViewer /net/tachyon/export/disk1/Mosaic/docs/webrunner.neato.org/JDK-prebeta1/applets/TicTacToe/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] cont
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] cont


Appletviewer hangs at this point,