Build used: hopper b09
Operating systems: windows NT/2000

Steps to reproduce using Java Plug-in:
1)Install JRE hopper b09
2)Visit the URL http://www.snapple.com/play/speedway.html using internet explorer
The applet runs fine for few minutes, and then you see the breakpoint exception

Steps to reproduce using appletviewer:
Run the appletviewer using the following command
appletviewer -J-DtrustProxy=true -J-Dhttp.proxyHost=scaweb1.sfbay.sun.com -J-Dhttp.proxyPort=8080 http://www.snapple.com/play/speedway.html
Allow the applet to run for few minutes to see the exception

See the attachments for exception dialog pictures