part of my time_logs_controller.rb

  def show_edit
    time_logs = TimeLog.where(:id => params[:time_log_ids]).all
    render :update do |page|
      time_logs.each do |item|
        @time_log = item
        page.replace_html 'entry-'+item.id.to_s, :partial => 'time_logs/edit_form'
      end
    end
  end

part of the server log

Started GET "/time_logs/show_edit?time_log_ids%5B%5D=1" for 127.0.0.1 at 2012-10-05 12:52:49 +0200
Processing by TimeLogsController#show_edit as JS
  Parameters: {"time_log_ids"=>["1"]}
   (0.0ms)  SELECT MAX("settings"."updated_on") AS max_id FROM "settings" 
  User Load (1.0ms)  SELECT "users".* FROM "users" WHERE "users"."type" IN ('User', 'AnonymousUser') AND "users"."id" = ? AND (users.status = 1) LIMIT 1  [["id", 1]]
  Current user: admin (id=1)
  TimeLog Load (0.0ms)  SELECT "time_logs".* FROM "time_logs" WHERE "time_logs"."id" IN (1)
Missing template, responding with 404
  Rendered common/error.html.erb (1.0ms)
Completed 404 Not Found in 63ms (Views: 3.0ms | ActiveRecord: 0.0ms)