I have both Oracle Java 7 and Apple Java 6 installed. Apple Java 6 is disabled in Java Preferences.
Now, when I try to launch Java Preferences I get a "Cannot launch "Java Preferences - No compatible version of Java 1.5+ is available." error:
This is the output of /usr/libexec/java_home -V
:
Matching Java Virtual Machines (1):
1.7.0_05, x86_64: "Java SE 7" /Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home
/Library/Java/JavaVirtualMachines/1.7.0.jdk/Contents/Home
Besides the (Oracle) 1.7.0.jdk
folder, /System/Library/Java
also contains a 1.6.0_31-b04-413.jdk
folder.