    # File lib/chef/solr/application/solr.rb, line 164
            def assert_solr_installed!
              unless solr_home_exist? && solr_data_dir_exist? && solr_jetty_home_exist?
                Chef::Log.fatal "Chef Solr is not installed or solr_home_path, solr_data_path, and solr_jetty_path are misconfigured."
                Chef::Log.fatal "Your current configuration is:"
                Chef::Log.fatal "solr_home_path:  #{Chef::Config[:solr_home_path]}"
                Chef::Log.fatal "solr_data_path:  #{Chef::Config[:solr_data_path]}"
                Chef::Log.fatal "solr_jetty_path: #{Chef::Config[:solr_jetty_path]}"
                Chef::Log.fatal "You can install Chef Solr using the chef-solr-installer script."
                exit 1
              end
            end