server_aliases parameter is 'nil' in chef-server::apache-proxy recipe? (0.10.0)



I’m using Vagrant to test a Chef Server installation using the
chef-server cookbook for 0.10.0. The rubygems-install works fine, but
I get an exception when configuring the apache-proxy. When the Apache
site configuration file is generated from the template, I get an
exception. Here is the chef-stacktrace.out and my Vagrantfile:

Any idea why the server_aliases parameter is ‘nil’ ?