just to be clear, "Sun's certificate" did not expire. The expired certificate
is a root certicicate that was used (apparently by RSA and pehaps later by Verisign)
starting back in 1994 to issue user certificates, all of which have also since expired.
[Message sent by forum member 'monzillo' (ronald.monzillo_at_sun.com)]
http://forums.java.net/jive/thread.jspa?messageID=379712