affinitiz/facebook-cf-sdk — pull request #46 by thinkloop (2012-08-28 18:52:11+00:00)
Title: Realtime subscription verification fails in Railo due to differences in how Railo deserializes the string 'null'.

If you run this code:

Coldfusion returns the string 'null'. Whereas Railo errors out because it completely deletes the variable.