GET

# File actionpack/lib/action_dispatch/http/request.rb, line 388
    def GET
      fetch_header("action_dispatch.request.query_parameters") do |k|
        rack_query_params = super || {}
        controller = path_parameters[:controller]
        action = path_parameters[:action]
        rack_query_params = Request::Utils.set_binary_encoding(self, rack_query_params, controller, action)
        # Check for non UTF-8 parameter values, which would cause errors later
        Request::Utils.check_param_encoding(rack_query_params)
        set_header k, Request::Utils.normalize_encode_params(rack_query_params)
      end
    rescue Rack::Utils::ParameterTypeError, Rack::Utils::InvalidParameterError, Rack::QueryParser::ParamsTooDeepError => e
      raise ActionController::BadRequest.new("Invalid query parameters: #{e.message}")
    end