hiera --debug -c /etc/puppetlabs/puppet/hiera.yaml puppet_enterprise::profile::console::java_args::Xmx
DEBUG: 2015-03-31 23:49:30 +0000: Hiera YAML backend starting
DEBUG: 2015-03-31 23:49:30 +0000: Looking up puppet_enterprise::profile::console::java_args::Xmx in YAML backend
DEBUG: 2015-03-31 23:49:30 +0000: Looking for data source defaults
DEBUG: 2015-03-31 23:49:30 +0000: Looking for data source global
DEBUG: 2015-03-31 23:49:30 +0000: Cannot find datafile /etc/puppetlabs/puppet/hieradata/global.yaml, skipping
nil