A response based on my new test case arrived quickly: Not a bug as the buf field of DatagramPacket is private so you should not be able to use it any way. It just happens that ClassPath uses buffer as the name for the field rather than the same name as all the other JDK's but that is not a bug so closing as invalid.
Great. If I knew anything about JNI, I guess that would have been obvious. I will close this bug myself in another message. Thanks, KEN -- Kenneth J. Pronovici <[EMAIL PROTECTED]> Personal Homepage: http://www.skyjammer.com/~pronovic/ "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." - Benjamin Franklin, Historical Review of Pennsylvania, 1759