Java Runtime Environment was not installed. Turns out it is not installed by default on OSX 10.8. To install, run the following command:
Java -version
This will result in a prompt to install Java.
I found this by combing the internal splunk log:
04-23-2013 16:40:53.648 -0400 ERROR AdminManager - Stack trace from python handler:\nTraceback (most recent call last):\n File "/Applications/Splunk/lib/python2.7/site-packages/splunk/admin.py", line 70, in init\n hand.execute(info)\n File "/Applications/Splunk/lib/python2.7/site-packages/splunk/admin.py", line 488, in execute\n if self.requestedAction == ACTION_LIST: self.handleList(confInfo)\n File "/Applications/Splunk/etc/apps/dbx/bin/spp/config.py", line 289, in handleList\n self.process_list(output)\n File "/Applications/Splunk/etc/apps/dbx/bin/rest_handler_dbx_setup.py", line 32, in process_list\n output['java']['home'] = spp.java.autodetect_java_home()\n File "/Applications/Splunk/etc/apps/dbx/bin/spp/java/__init__.py", line 185, in autodetect_java_home\n return autodetect_java_home_osx()\n File "/Applications/Splunk/etc/apps/dbx/bin/spp/java/__init__.py", line 197, in autodetect_java_home_osx\n v = get_java_version(path)\n File "/Applications/Splunk/etc/apps/dbx/bin/spp/java/__init__.py", line 172, in get_java_version\n return JavaEnv(java_home=java_home).get_version(overrideOpts = overrideOpts)\n File "/Applications/Splunk/etc/apps/dbx/bin/spp/java/__init__.py", line 59, in __init__\n raise JavaVersionException("JAVA_HOME directory %s does not exist" % JAVA_HOME)\nJavaVersionException: JAVA_HOME directory /System/Library/Frameworks/JavaVM.framework/Home does not exist\n
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