Can a standalone JDK 1.5 run on Snow Leopard? There's a bug in JDK1.6 in Snow Leopard that's affecting Netbeans. I could solve this issue by using JDK1.5, but I noticed that /System/Library/Frameworks/JavaVM.framework/Versions/1.5 links to JDK1.6.

Is there a true JDK 1.5 for Snow Leopard that can be downloaded and installed rather than just one that points to the newer JDK 1.6?
You can successfully add a true 1.5 version by following the instructions here:
Installing Java 1.5 on Snow Leopard

I'm not guessing about this. I've actually employed this technique for some of my tech support clients.