multiple rails rescues in single method

gistfile1.rb

  def show
    begin
      @jobqueue = Delayed::Job.find(session[:jobqueue]) if session[:jobqueue]
    rescue ActiveRecord::RecordNotFound
      session[:jobqueue] = nil
      return
    end
    if @jobqueue.nil? && session[:jobqueue]
      session[:jobqueue] = nil
    end
    begin
      @item = Item.find(params[:id]) if (params[:id])
    rescue ActiveRecord::RecordNotFound
      redirect_to item_index_path
      return
    end    
    @categories = Category.find(:all, :order => "name")
    respond_to do |format|
      format.html
      format.js
    end
  end