Error during torquebox 2.1.2 startup

gistfile1.txt

09:42:17,519 INFO  [org.jboss.as] (Controller Boot Thread) JBAS015874: JBoss AS 7.1.x.incremental.1 "Steropes" started in 2644ms - Started 171 of 271 services (98 services are passive or on-demand)
09:42:17,524 INFO  [org.jboss.as.server.deployment] (MSC service thread 1-5) JBAS015876: Starting deployment of "fp2-knob.yml"
09:42:17,910 INFO  [org.torquebox.core] (MSC service thread 1-12) evaling: /Users/jeremy/Source/fp2/config/torquebox.rb
09:42:18,437 ERROR [org.torquebox.core.runtime] (MSC service thread 1-8) Error during evaluation: ERB.new( %q{postgresql}).result: org.jruby.exceptions.RaiseException: (NoMethodError) undefined method `encoding' for "postgresql":String
	at Compiler.compile(/Users/jeremy/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.9/erb.rb:514)	at ERB.initialize(/Users/jeremy/.rvm/rubies/jruby-1.6.7.2/lib/ruby/1.9/erb.rb:702)	at (Anonymous).(root)(<script>:1)
09:42:19,063 INFO  [org.jboss.as.osgi] (MSC service thread 1-8) JBAS011907: Register module: Module "deployment.fp2-knob.yml:main" from Service Module Loader
09:42:19,070 INFO  [org.torquebox.core.runtime] (MSC service thread 1-14) Creating ruby runtime (ruby_version: RUBY1_9, compile_mode: JIT, app: fp2, context: JDBC Driver Loader)
09:42:19,073 INFO  [org.hornetq.core.server.impl.HornetQServerImpl] (pool-8-thread-1) trying to deploy queue jms.queue./queues/torquebox/fp2/tasks/torquebox_backgroundable
09:42:19,082 INFO  [org.jboss.as.messaging] (pool-8-thread-1) JBAS011601: Bound messaging object to jndi name java:/queues/torquebox/fp2/tasks/torquebox_backgroundable