Passing a template handler in the template name is deprecated. - 青空を探す、旅の記録。

Passing a template handler in the template name is deprecated. - 青空を探す、旅の記録。

render_to_string( :partial => "tags.html.erb", :locals => { :tags => @user_product.tags, :user_id...概要を表示 render_to_string( :partial => "tags.html.erb", :locals => { :tags => @user_product.tags, :user_id => @login_user.id } ) はDEPRECATION WARNINGが出る(Rails3.2.0.rc2)。 render_to_string( :partial => "tags", :formats => :html, :handlers => :erb, :locals => { :tags => @user_product.tags, :user_id => @login_user.id } ) と書けばよい。