[ABerg]

I had the same problem. In my situation, I had run the code and then received the error message that req'd me to change the build path. I changed the build path (this is when you had to point to the jdk instead of the jre). When I ran the code again, I received the same error that you did. I then closed the driver station and disconnected from my radio. I then reopened the driver station and reconnected to the radio and ran it again and it ran fine. Not sure why that worked, though. Note that I did not close Eclipse during the process. Hope this helps.