Apple's Java for OS X 2012-006 update uninstalled the Apple-provide Java applet plug-in from all Mac web browsers. Mac OS X users running Java-based applications are instructed to download the latest version of the Java 7 applet plug-in from Oracle. For more information about Oracle's Java 7 for Mac, see:
We're currently certifying Oracle E-Business Suite with Mac desktops running Java 7. We have identified some compatibility issues and are working with the Java team on fixes right now.
Until that certification is completed, EBS users on Mac platforms can follow these instructions from Apple to ensure continued access to the E-Business Suite: