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WARNING (moor): It looks like you've created the database classOfflineStorage multiple times. #57

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brizaldi opened this issue Jul 9, 2020 · 5 comments
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WARNING (moor): It looks like you've created the database classOfflineStorage multiple times. #57

brizaldi opened this issue Jul 9, 2020 · 5 comments

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@brizaldi
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brizaldi commented Jul 9, 2020

i got this warning message after disconnect from current client using client.disconnect(); and then set a new user using _client.setUser()

error warning 
I/flutter (12293): WARNING (moor): It looks like you've created the database classOfflineStorage multiple times. When these two databases use the same QueryExecutor, race conditions will ocur and might corrupt the database. 
I/flutter (12293): Try to follow the advice at https://moor.simonbinder.eu/faq/#using-the-database or, if you know what you're doing, set moorRuntimeOptions.dontWarnAboutMultipleDatabases = true
I/flutter (12293): Here is the stacktrace from when the database was opened a second time:
I/flutter (12293): #0      GeneratedDatabase._handleInstantiated (package:moor/src/runtime/api/db_base.dart:90:30)
I/flutter (12293): #1      new GeneratedDatabase.connect (package:moor/src/runtime/api/db_base.dart:69:12)
I/flutter (12293): #2      new _$OfflineStorage.connect (package:stream_chat/src/db/offline_storage.g.dart:3761:58)
I/flutter (12293): #3      new OfflineStorage.connect (package:stream_chat/src/db/offline_storage.dart:101:13)
I/flutter (12293): #4      connectDatabase (package:stream_chat/src/db/offline_storage.dart:58:25)
I/flutter (12293): <asynchronous suspension>
I/flutter (12293): #5      Client.connect (package:stream_chat/src/client.dart:408:31)
I/flutter (12293): #6      Client.setUser
E/flutter (12293): [ERROR:flutter/lib/ui/ui_dart_state.cc(166)] Unhandled Exception: NoSuchMethodError: The method 'where' was called on null.
E/flutter (12293): Receiver: null
E/flutter (12293): Tried calling: where(Closure: (SortOption) => bool)
E/flutter (12293): #0      Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
E/flutter (12293): #1      OfflineStorage.getChannelStates.<anonymous closure> (package:stream_chat/src/db/offline_storage.dart:242:12)
E/flutter (12293): #2      _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #3      _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #4      _FutureListener.handleValue (dart:async/future_impl.dart:143:18)
E/flutter (12293): #5      Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:696:45)
E/flutter (12293): #6      Future._propagateToListeners (dart:async/future_impl.dart:725:32)
E/flutter (12293): #7      Future._completeWithValue (dart:async/future_impl.dart:529:5)
E/flutter (12293): #8      _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:40:15)
E/flutter (12293): #9      _completeOnAsyncReturn (dart:async-patch/async_patch.dart:311:13)
E/flutter (12293): #10     SimpleSelectStatement._getWithQuery (package:moor/src/runtime/query_builder/statements/select/select.dart)
E/flutter (12293): <asynchronous suspension>
E/flutter (12293): #11     SimpleSelectStatement.get (package:moor/src/runtime/query_builder/statements/select/select.dart:35:12)
E/flutter (12293): #12     OfflineStorage.getChannelStates (package:stream_chat/src/db/offline_storage.dart:236:10)
E/flutter (12293): #13     Client.queryChannels (package:stream_chat/src/client.dart:561:52)
E/flutter (12293): <asynchronous suspension>
E/flutter (12293): #14     Client.connect.<anonymous closure> (package:stream_chat/src/client.dart:437:9)
E/flutter (12293): #15     Client.connect.<anonymous closure> (package:stream_chat/src/client.dart:427:33)
E/flutter (12293): #16     ChangeNotifier.notifyListeners (package:flutter/src/foundation/change_notifier.dart:209:21)
E/flutter (12293): #17     ValueNotifier.value= (package:flutter/src/foundation/change_notifier.dart:276:5)
E/flutter (12293): #18     WebSocket._onData (package:stream_chat/src/api/websocket.dart:167:24)
E/flutter (12293): #19     WebSocket.connect.<anonymous closure> (package:stream_chat/src/api/websocket.dart:132:9)
E/flutter (12293): #20     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #21     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #22     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #23     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #24     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #25     _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:127:11)
E/flutter (12293): #26     _HandleErrorStream._handleData (dart:async/stream_pipe.dart:266:10)
E/flutter (12293): #27     _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:157:13)
E/flutter (12293): #28     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #29     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #30     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #31     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #32     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #33     _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:811:19)
E/flutter (12293): #34     _StreamController._add (dart:async/stream_controller.dart:682:7)
E/flutter (12293): #35     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #36     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #37     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #38     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #39     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #40     _SyncStreamControllerDispatch._sendData (dart:async/stream_controller.dart:811:19)
E/flutter (12293): #41     _StreamController._add (dart:async/stream_controller.dart:682:7)
E/flutter (12293): #42     _StreamController.add (dart:async/stream_controller.dart:624:5)
E/flutter (12293): #43     new _WebSocketImpl._fromSocket.<anonymous closure> (dart:_http/websocket_impl.dart:1145:21)
E/flutter (12293): #44     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #45     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #46     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #47     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #48     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #49     
E/flutter (12293): [ERROR:flutter/lib/ui/ui_dart_state.cc(166)] Unhandled Exception: Bad state: Cannot add new events after calling close
E/flutter (12293): #0      _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:249:24)
E/flutter (12293): #1      Subject._add (package:rxdart/src/subjects/subject.dart:141:17)
E/flutter (12293): #2      Subject.add (package:rxdart/src/subjects/subject.dart:135:5)
E/flutter (12293): #3      _StreamSinkWrapper.add (package:rxdart/src/subjects/subject.dart:167:13)
E/flutter (12293): #4      ChannelsBlocState.queryChannels (package:stream_chat_flutter/src/channels_bloc.dart:72:42)
E/flutter (12293): #5      _ChannelListState.initState.<anonymous closure> (package:homy_mobile/screens/home/tabs/chat_list/components/channel_list.dart:415:20)
E/flutter (12293): #6      _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #7      _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #8      _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #9      _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #10     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #11     _ForwardingStreamSubscription._add (dart:async/stream_pipe.dart:127:11)
E/flutter (12293): #12     _WhereStream._handleData (dart:async/stream_pipe.dart:199:12)
E/flutter (12293): #13     _ForwardingStreamSubscription._handleData (dart:async/stream_pipe.dart:157:13)
E/flutter (12293): #14     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #15     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #16     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #17     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #18     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:285:7)
E/flutter (12293): #19     _SyncBroadcastStreamController._sendData (dart:async/broadcast_stream_controller.dart:385:25)
E/flutter (12293): #20     _BroadcastStreamController.add (dart:async/broadcast_stream_controller.dart:250:5)
E/flutter (12293): #21     _StartWithStreamSink.add (package:rxdart/src/transformers/start_with.dart:16:10)
E/flutter (12293): #22     forwardStream.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:rxdart/src/utils/forwarding_stream.dart:34:49)
E/flutter (12293): #23     forwardStream.runCatching (package:rxdart/src/utils/forwarding_stream.dart:24:12)
E/flutter (12293): #24     forwardStream.<anonymous closure>.<anonymous closure> (package:rxdart/src/utils/forwarding_stream.dart:34:28)
E/flutter (12293): #25     _rootRunUnary (dart:async/zone.dart:1198:47)
E/flutter (12293): #26     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
E/flutter (12293): #27     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1005:7)
E/flutter (12293): #28     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:357:11)
E/flutter (12293): #29     _DelayedData.perform (dart:async/stream_impl.dart:611:14)
E/flutter (12293): #30     _StreamImplEvents.handleNext (dart:async/stream_impl.dart:730:11)
E/flutter (12293): #31     _PendingEvents.schedule.<anonymous closure> (dart:async/stream_impl.dart:687:7)
E/flutter (12293): #32     _rootRun (dart:async/zone.dart:1182:47)
E/flutter (12293): #33     _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (12293): #34     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
E/flutter (12293): #35     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
E/flutter (12293): #36     _rootRun (dart:async/zone.dart:1190:13)
E/flutter (12293): #37     _CustomZone.run (dart:async/zone.dart:1093:19)
E/flutter (12293): #38     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
E/flutter (12293): #39     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
E/flutter (12293): #40     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
E/flutter (12293): #41     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
E/flutter (12293):

i dont know if i should be concerned or it just a false warning message
@imtoori
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imtoori commented Jul 9, 2020

do you await client.disconnect()?

@brizaldi
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brizaldi commented Jul 9, 2020

yes, here's what i do to disconnect

await client.removeDevice(deviceToken);
await client.disconnect(flushOfflineStorage: true);

@imtoori
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imtoori commented Jul 9, 2020

I'm trying different cases in the example app, but I never have that warning.

What version of the SDK are you using?

@brizaldi
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flutter doctor -v 
[√] Flutter (Channel dev, 1.20.0-2.0.pre, on Microsoft Windows [Version 10.0.18363.900], locale en-ID)
    • Flutter version 1.20.0-2.0.pre at C:\Devkit\flutter
    • Framework revision 15a28159bc (2 weeks ago), 2020-06-23 04:52:58 -0700
    • Engine revision 91a63d6a44
    • Dart version 2.9.0 (build 2.9.0-19.0.dev 7e72c9ae7e)


[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
    • Android SDK at C:\Devkit\SDK
    • Platform android-29, build-tools 29.0.3
    • ANDROID_HOME = C:\Devkit\SDK
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
    • All Android licenses accepted.

[√] Android Studio (version 4.0)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin version 47.1.2
    • Dart plugin version 193.7361
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)

[√] Connected device (2 available)
    • Redmi Note 7              • 192.168.1.2:5555 • android-arm64 • Android 10 (API 29)
    • Android SDK built for x86 • emulator-5554    • android-x86   • Android 10 (API 29) (emulator)

• No issues found!

stream_chat_flutter version 0.2.1

@imtoori
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imtoori commented Jan 26, 2021

Closing this
Feel free to reopen it if you're still facing this issue

@imtoori imtoori closed this as completed Jan 26, 2021
@rubenvereecken rubenvereecken mentioned this issue Apr 22, 2021
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@jagged91 jagged91 mentioned this issue Jul 9, 2021
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@kalptech2021 kalptech2021 mentioned this issue May 29, 2023
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@imtoori @brizaldi