These are the errors from the system.log from the Console app.

Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]: [JavaAppLauncher Error] CallStaticVoidMethod() threw an exception
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]: Exception in thread "main"
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]: java.lang.UnsupportedClassVersionError: Bad version number in .class file
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.ClassLoader.defineClass1(Native Method)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.ClassLoader.defineClass(ClassLoader.java:675)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.security.AccessController.doPrivileged(Native Method)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.Class.forName0(Native Method)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at java.lang.Class.forName(Class.java:242)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at apple.launcher.LaunchRunner.loadMainMethod(LaunchRunner.java:55)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at apple.launcher.LaunchRunner.run(LaunchRunner.java:111)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:50)
Jan 23 05:52:37 c-24-16-232-190 [0x0-0x42042].mule[622]:    at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
Jan 23 05:52:37 c-24-16-232-190 com.apple.launchd[98] ([0x0-0x42042].mule[622]): Exited with exit code: 1
Jan 23 05:52:58 c-24-16-232-190 /Applications/Games/mule.app/Contents/MacOS/JavaApplicationStub[623]: Unrecognized Java VM option ignored:
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]: [JavaAppLauncher Error] CallStaticVoidMethod() threw an exception
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]: Exception in thread "main"
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]: java.lang.UnsupportedClassVersionError: Bad version number in .class file
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.ClassLoader.defineClass1(Native Method)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.ClassLoader.defineClass(ClassLoader.java:675)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.security.AccessController.doPrivileged(Native Method)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.Class.forName0(Native Method)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at java.lang.Class.forName(Class.java:242)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at apple.launcher.LaunchRunner.loadMainMethod(LaunchRunner.java:55)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at apple.launcher.LaunchRunner.run(LaunchRunner.java:111)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:50)
Jan 23 05:52:58 c-24-16-232-190 [0x0-0x43043].mule[623]:    at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
Jan 23 05:52:58 c-24-16-232-190 com.apple.launchd[98] ([0x0-0x43043].mule[623]): Exited with exit code: 1