Created
July 23, 2019 14:00
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| Controller | |
| import 'package:trivia_black/model/point.dart'; | |
| import 'package:trivia_black/trivia_black.dart'; | |
| class PointController extends ResourceController { | |
| PointController(this.context); | |
| ManagedContext context; | |
| @Operation.post('identifier') | |
| Future<Response> updateScore( | |
| @Bind.path('identifier') String identifier) async { | |
| final query = Query<Point>(context) | |
| ..where((Point p) => p.identifier).equalTo(identifier); | |
| Point point = await query.fetchOne(); | |
| point.scored = true; | |
| final update = Query<Point>(context, values: point) | |
| ..where((Point p) => p.identifier = point.identifier); // erroring on this line | |
| point = await update.updateOne(); | |
| return Response.ok(point); | |
| } | |
| } | |
| ERROR | |
| 2019-07-23 09:59:49.451744 | |
| [SEVERE] aqueduct: POST /point/f08cc3bc-0ae0-4c46-85b1-eb9529b399fa 4398ms 500 {user-agent : Dart/2.5 (dart:io)\ncontent-type : application/JSON\naccept-encoding : gzip\ncontent-length : 0\nhost : 192.168.1.65:8888\nauthorization : Bearer r1L7RQOb259KXVIFvm9wDtrpEGzeTxZD\n} NoSuchMethodError: The getter 'length' was called on null. | |
| Receiver: null | |
| Tried calling: length | |
| #0 Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5) | |
| #1 _PostgresQuery&Object&QueryMixin.where | |
| package:aqueduct/…/query/mixin.dart:71 | |
| #2 PointController.updateScore | |
| package:trivia_black/controller/point_controller.dart:16 | |
| <asynchronous suspension> | |
| #3 _LocalInstanceMirror._invoke (dart:mirrors-patch/mirrors_impl.dart:327:37) | |
| #4 _LocalInstanceMirror.invoke (dart:mirrors-patch/mirrors_impl.dart:323:25) | |
| #5 BoundOperation.invoke | |
| package:aqueduct/…/resource_controller_internal/controller.dart:24 | |
| #6 ResourceController._process | |
| package:aqueduct/…/http/resource_controller.dart:371 | |
| <asynchronous suspension> | |
| #7 ResourceController.handle | |
| package:aqueduct/…/http/resource_controller.dart:138 | |
| <asynchronous suspension> | |
| #8 Controller.receive | |
| package:aqueduct/…/http/controller.dart:174 | |
| <asynchronous suspension> | |
| #9 _ControllerRecycler.receive | |
| package:aqueduct/…/http/controller.dart:402 | |
| #10 Controller.receive | |
| package:aqueduct/…/http/controller.dart:206 | |
| <asynchronous suspension> | |
| #11 Controller.receive | |
| package:aqueduct/…/http/controller.dart:206 | |
| <asynchronous suspension> | |
| #12 Router.receive | |
| package:aqueduct/…/http/router.dart:139 | |
| <asynchronous suspension> | |
| #13 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314:10) | |
| #14 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11) | |
| #15 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7) | |
| #16 _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:132:11) | |
| #17 _MapStream._handleData (dart:async/stream_pipe.dart:232:10) | |
| #18 _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:164:13) | |
| #19 _RootZone.runUnaryGuarded (dart:async/zone.dart:1314:10) | |
| #20 _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11) | |
| #21 _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7) | |
| #22 _SyncStreamController._sendData (dart:async/stream_controller.dart:764:19) | |
| #23 _StreamController._add (dart:async/stream_controller.dart:640:7) | |
| #24 _StreamController.add (dart:async/stream_controller.dart:586:5) | |
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