I had a similar error getting 405. I found I hadn't set the PassengerRoot directory correctly in the puppetmaster vhost config:
PassengerRoot /usr/lib/ruby/gems/1.8/gems/passenger-4.0.48 -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-users/df4b44ad-e1bc-484f-9e6c-259e31b4fbaa%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
