I have come across an interesting situation. A coworker committed some changes, which would not compile on my machine neither from the IDE (Eclipse) nor from a command line
Oracle has released a hot fix which can be found here:
http://www.oracle.com/technetwork/java/javase/fpupdater-tool-readme-305936.html
The hotfix will work for java 1.4, 1.5, and 1.6.