This will make clicking through to the JDK source work in Eclipse again after updating to the latest Java for Mac OS X.
- Go to http://connect.apple.com and download Java for Mac OS X 10.6 Update 3 Developer Package
- Install it.
- Open a Terminal.app window
- sudo -s
- cd /System/Library/Frameworks/JavaVM.framework/Home
- ln -s /Library/Java/JavaVirtualMachines/1.6.0_22-b04-307.jdk/Contents/Home/src.jar .
- ln -s /Library/Java/JavaVirtualMachines/1.6.0_22-b04-307.jdk/Contents/Home/docs.jar .