Installing JDK 7 on Mac OS X

To get JDK 7 up,

/System/Library/Frameworks/JavaVM.framework/Versions

This is where the system jvm's are stored. You'll notice a symbolic link for CurrentJDK. It probably points to:

/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents

You're going to want to point that to the new JDK, which java_home tells us is located in:

bone@zen:/usr/libexec$ /usr/libexec/java_home

/Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/Home

So, the magic commands you need are:

bone@zen:/System/Library/Frameworks/JavaVM.framework/Versions$ sudo rm CurrentJDK

bone@zen:/System/Library/Frameworks/JavaVM.framework/Versions$ sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.7.0_09.jdk/Contents/ CurrentJDK

Then, you should be good:

bone@zen:/System/Library/Frameworks/JavaVM.framework/Versions$ java -version

java version «1.7.0_09»

Java(TM) SE Runtime Environment (build 1.7.0_09-b05)

Java HotSpot(TM) 64-Bit Server VM (build 23.5-b02, mixed mode)

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