2 files changed, 12 insertions, 11 deletions

diff --git a/actionpack/lib/action_view/renderer/partial_renderer.rb b/actionpack/lib/action_view/renderer/partial_renderer.rb
index c580397cad..3fdea23a4a 100644
--- a/actionpack/lib/action_view/renderer/partial_renderer.rb
+++ b/actionpack/lib/action_view/renderer/partial_renderer.rb
@@ -90,13 +90,14 @@ module ActionView
 
     def collection
       if @options.key?(:collection)
-        @options[:collection] || []
+        collection = @options[:collection]
+        collection.respond_to?(:to_ary) ? collection.to_ary : []
       end
     end
 
     def collection_from_object
       if @object.respond_to?(:to_ary)
-        @object
+        @object.to_ary
       end
     end
 
@@ -110,8 +111,8 @@ module ActionView
     end 
 
     def find_template(path=@path, locals=@locals.keys)
-      prefix = @view.controller_prefix unless path.include?(?/)
-      @lookup_context.find_template(path, prefix, true, locals)
+      prefixes = path.include?(?/) ? [] : @view.controller_prefixes
+      @lookup_context.find_template(path, prefixes, true, locals)
     end
 
     def collection_with_template
@@ -151,7 +152,7 @@ module ActionView
         object = object.to_model if object.respond_to?(:to_model)
 
         object.class.model_name.partial_path.dup.tap do |partial|
-          path = @view.controller_prefix
+          path = @view.controller_prefixes.first
           partial.insert(0, "#{File.dirname(path)}/") if partial.include?(?/) && path.include?(?/)
         end
       end
@@ -163,4 +164,4 @@ module ActionView
       [variable, variable_counter]
     end
   end
-end
\ No newline at end of file
+end
diff --git a/actionpack/lib/action_view/renderer/template_renderer.rb b/actionpack/lib/action_view/renderer/template_renderer.rb
index 6912acee31..9ae1636131 100644
--- a/actionpack/lib/action_view/renderer/template_renderer.rb
+++ b/actionpack/lib/action_view/renderer/template_renderer.rb
@@ -22,14 +22,14 @@ module ActionView
     def render_once(options)
       paths, locals = options[:once], options[:locals] || {}
       layout, keys  = options[:layout], locals.keys
-      prefix = options.fetch(:prefix, @view.controller_prefix)
+      prefixes = options.fetch(:prefixes, @view.controller_prefixes)
 
       raise "render :once expects a String or an Array to be given" unless paths
 
       render_with_layout(layout, locals) do
         contents = []
         Array.wrap(paths).each do |path|
-          template = find_template(path, prefix, false, keys)
+          template = find_template(path, prefixes, false, keys)
           contents << render_template(template, nil, locals) if @rendered.add?(template)
         end
         contents.join("\n")
@@ -43,13 +43,13 @@ module ActionView
       if options.key?(:text)
         Template::Text.new(options[:text], formats.try(:first))
       elsif options.key?(:file)
-        with_fallbacks { find_template(options[:file], options[:prefix], false, keys) }
+        with_fallbacks { find_template(options[:file], options[:prefixes], false, keys) }
       elsif options.key?(:inline)
-        handler = Template.handler_class_for_extension(options[:type] || "erb")
+        handler = Template.handler_for_extension(options[:type] || "erb")
         Template.new(options[:inline], "inline template", handler, :locals => keys)
       elsif options.key?(:template)
         options[:template].respond_to?(:render) ?
-          options[:template] : find_template(options[:template], options[:prefix], false, keys)
+          options[:template] : find_template(options[:template], options[:prefixes], false, keys)
       end
     end