If SikuliX fails to launch(crashes on startup) after installing it on Mac OSX(or linux), try these simple steps to get SikuliX fixed quickly.
Chances are you have multiple versions of java installed and need to tell SikuliX which one to use.
Required SikuliX version: 1.1.1
Required Java version: 7 or 8
Java 7 path:
/Library/"Internet Plug-Ins"/JavaAppletPlugin.plugin/Contents/Home/bin/