ruby on rails - Redirect works but render fails on the same path for my comment system -


hello guys~ i'm kind of new rails here. , have controler in create action, failed creation comment direct "template missing". wonder how solve since success working alright same path ... thank much~

def create   @book = book.find(params[:book_id])   @comment = @book.comments.build(params[:comment]) if signed_in?   @comment.user = current_user    if @comment.save     flash[:success] = "comment posted"     redirect_to book_path(@book)   else     render book_path(@book)   end end

routes

resources :books   resources :comments, only: [:create, :destroy] end

use render :show.

render not accept url this. accepts name of template rendering, among other things. check out documentation more examples of can pass render.


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