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Either the assertion indicates an error in the framework itself #67040

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Niroop4444 opened this issue Oct 1, 2020 · 7 comments
Closed

Either the assertion indicates an error in the framework itself #67040

Niroop4444 opened this issue Oct 1, 2020 · 7 comments

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@Niroop4444
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Niroop4444 commented Oct 1, 2020 •
edited by pedromassangocode
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Logs 
Either the assertion indicates an error in the framework itself, or we should provide substantially
more information in this error message to help you determine and fix the underlying cause.
In either case, please report this assertion by filing a bug on GitHub:
  https://github.com/flutter/flutter/issues/new?template=BUG.md

When the exception was thrown, this was the stack:
#2      Localizations.of (package:flutter/src/widgets/localizations.dart:453:12)
#3      debugCheckHasMaterialLocalizations.<anonymous closure> (package:flutter/src/material/debug.dart:73:23)
#4      debugCheckHasMaterialLocalizations (package:flutter/src/material/debug.dart:94:4)
#5      showDialog (package:flutter/src/material/dialog.dart:934:10)
#6      _LoginScreenState.showLoaderDialog (package:dishoom/screens/authentication/login_screen.dart:483:5)
#7      _LoginScreenState.dispose (package:dishoom/screens/authentication/login_screen.dart:70:5)
#8      StatefulElement.unmount (package:flutter/src/widgets/framework.dart:4773:12)
#9      _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1935:13)
#10     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#11     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#12     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#13     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#14     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#15     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#16     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#17     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#18     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#19     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#20     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#21     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#22     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#23     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#24     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#25     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#26     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#27     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#28     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#29     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#30     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#31     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#32     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#33     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#34     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#35     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#36     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#37     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#38     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#39     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#40     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#41     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#42     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#43     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#44     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#45     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#46     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#47     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#48     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#49     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#50     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#51     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#52     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#53     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#54     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#55     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#56     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#57     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#58     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#59     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#60     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#61     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#62     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#63     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#64     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#65     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#66     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#67     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#68     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#69     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#70     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#71     SingleChildRenderObjectElement.visitChildren (package:flutter/src/widgets/framework.dart:5861:14)
#72     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#73     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#74     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#75     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#76     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#77     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#78     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#79     _InactiveElements._unmount.<anonymous closure> (package:flutter/src/widgets/framework.dart:1933:7)
#80     ComponentElement.visitChildren (package:flutter/src/widgets/framework.dart:4600:14)
#81     _InactiveElements._unmount (package:flutter/src/widgets/framework.dart:1931:13)
#82     ListIterable.forEach (dart:_internal/iterable.dart:39:13)
#83     _InactiveElements._unmountAll (package:flutter/src/widgets/framework.dart:1944:25)
#84     BuildOwner.finalizeTree.<anonymous closure> (package:flutter/src/widgets/framework.dart:2754:27)
#85     BuildOwner.lockState (package:flutter/src/widgets/framework.dart:2558:15)
#86     BuildOwner.finalizeTree (package:flutter/src/widgets/framework.dart:2753:7)
#87     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:868:18)
#88     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:286:5)
#89     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1117:15)
#90     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1056:9)
#91     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:972:5)
#95     _invoke (dart:ui/hooks.dart:253:10)
#96     _drawFrame (dart:ui/hooks.dart:211:3)
(elided 5 frames from class _AssertionError and dart:async)
════════════════════════════════════════════════════════════════════════════════════════════════════

════════ Exception caught by widgets library ═══════════════════════════════════════════════════════
The following assertion was thrown while finalizing the widget tree:
'package:flutter/src/widgets/localizations.dart': Failed assertion: line 453 pos 12: 'context != null': is not true.


Either the assertion indicates an error in the framework itself, or we should provide substantially more information in this error message to help you determine and fix the underlying cause.`
@pedromassangocode
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Hi @Niroop4444
Can you please provide your flutter doctor -v, your flutter run --verbose and a minimal complete reproducible code sample?
Thank you

@pedromassangocode pedromassangocode added in triage Presently being triaged by the triage team waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds labels Oct 1, 2020
@Niroop4444
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Niroop4444 commented Oct 1, 2020 •
edited by pedromassangocode
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➜ flutter doctor -v 
[√] Flutter (Channel stable, 1.20.2, on Microsoft Windows [Version 10.0.18363.1082], locale en-US)
    • Flutter version 1.20.2 at C:\flutter
    • Framework revision bbfbf1770c (7 weeks ago), 2020-08-13 08:33:09 -0700
    • Engine revision 9d5b21729f
    • Dart version 2.9.1

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at C:\Users\Niroop\AppData\Local\Android\Sdk
    • Platform android-30, build-tools 30.0.2
    • ANDROID_HOME = C:\Users\Niroop\AppData\Local\Android\Sdk
    • Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)
    X Android license status unknown.
      Try re-installing or updating your Android SDK Manager.
      See https://developer.android.com/studio/#downloads or visit https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions.

[√] Android Studio (version 3.6)
    • Android Studio at C:\Program Files\Android\Android Studio
    • Flutter plugin version 45.1.1
    • Dart plugin version 192.8052
    • Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)

[!] VS Code (version 1.47.2)
    • VS Code at C:\Users\Niroop\AppData\Local\Programs\Microsoft VS Code
    X Flutter extension not installed; install from
      https://marketplace.visualstudio.com/items?itemName=Dart-Code.flutter

[!] Connected device
    ! No devices available

! Doctor found issues in 3 categories.

@no-response no-response bot removed the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Oct 1, 2020
@Niroop4444
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Niroop4444 commented Oct 1, 2020 •
edited by pedromassangocode
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➜ flutter run --verbose 
[ +428 ms] executing: [C:\flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
[ +332 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
[   +1 ms] bbfbf1770cca2da7c82e887e4e4af910034800b6
[   +1 ms] executing: [C:\flutter/] git tag --contains HEAD
[ +753 ms] Exit code 0 from: git tag --contains HEAD
[        ] 1.20.2
[  +28 ms] executing: [C:\flutter/] git rev-parse --abbrev-ref --symbolic @{u}
[  +92 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
[        ] origin/stable
[        ] executing: [C:\flutter/] git ls-remote --get-url origin
[ +121 ms] Exit code 0 from: git ls-remote --get-url origin
[        ] https://github.com/flutter/flutter.git
[ +227 ms] executing: [C:\flutter/] git rev-parse --abbrev-ref HEAD
[ +353 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
[   +4 ms] stable
[ +609 ms] Artifact Instance of 'AndroidMavenArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[   +5 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[  +51 ms] executing: C:\Users\Niroop\AppData\Local\Android\Sdk\platform-tools\adb.exe devices -l
[ +138 ms] List of devices attached
[   +9 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'GradleWrapper' is not required, skipping update.
[   +1 ms] Artifact Instance of 'AndroidMavenArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
[   +3 ms] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
[   +2 ms] Artifact Instance of 'FlutterSdk' is not required, skipping update.
[   +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
[   +4 ms] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
[   +1 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +2 ms] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
[   +1 ms] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
[ +324 ms] No supported devices connected.
[  +35 ms] "flutter run" took 603ms.
[  +61 ms] 
           #0      throwToolExit (package:flutter_tools/src/base/common.dart:14:3)
           #1      RunCommand.validateCommand (package:flutter_tools/src/commands/run.dart:343:7)
           <asynchronous suspension>
           #2      FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:836:11)
           <asynchronous suspension>
           #3      FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:741:33)
           <asynchronous suspension>
           #4      FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart)
           #5      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:150:29)
           #6      _rootRun (dart:async/zone.dart:1190:13)
           #7      _CustomZone.run (dart:async/zone.dart:1093:19)
           #8      _runZoned (dart:async/zone.dart:1630:10)
           #9      runZoned (dart:async/zone.dart:1550:10)
           #10     AppContext.run (package:flutter_tools/src/base/context.dart:149:18)
           #11     FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:730:20)
           #12     CommandRunner.runCommand (package:args/command_runner.dart:197:27)
           #13     FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:332:21)
           #14     _rootRunUnary (dart:async/zone.dart:1198:47)
           #15     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #16     _FutureListener.handleValue (dart:async/future_impl.dart:143:18)
           #17     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:696:45)
           #18     Future._propagateToListeners (dart:async/future_impl.dart:725:32)
           #19     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #20     _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:40:15)
           #21     _completeOnAsyncReturn (dart:async-patch/async_patch.dart:311:13)
           #22     FlutterVersion.checkFlutterVersionFreshness (package:flutter_tools/src/version.dart)
           #23     _rootRunUnary (dart:async/zone.dart:1198:47)
           #24     _CustomZone.runUnary (dart:async/zone.dart:1100:19)
           #25     _FutureListener.handleValue (dart:async/future_impl.dart:143:18)
           #26     Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:696:45)
           #27     Future._propagateToListeners (dart:async/future_impl.dart:725:32)
           #28     Future._completeWithValue (dart:async/future_impl.dart:529:5)
           #29     Future._asyncCompleteWithValue.<anonymous closure> (dart:async/future_impl.dart:567:7)
           #30     _rootRun (dart:async/zone.dart:1190:13)
           #31     _CustomZone.run (dart:async/zone.dart:1093:19)
           #32     _CustomZone.runGuarded (dart:async/zone.dart:997:7)
           #33     _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
           #34     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
           #35     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
           #36     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
           #37     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)
           
           
[ +340 ms] ensureAnalyticsSent: 324ms
[   +5 ms] Running shutdown hooks
[   +1 ms] Shutdown hooks complete
[   +4 ms] exiting with code 1

@pedromassangocode
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Hi @Niroop4444
Please make sure you have a supported device connected before running the command.
Thank you

@pedromassangocode pedromassangocode added the waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds label Oct 1, 2020
@Abhishek01039
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Hi @Niroop4444
[ +324 ms] No supported devices connected.
your device is not connected
Thanks.

@pedromassangocode
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Without additional information, we are unfortunately not sure how to resolve this issue.
We are therefore reluctantly going to close this bug for now.
Please don't hesitate to comment on the bug if you have any more information for us; we will reopen it right away!
Thanks for your contribution.

Could everyone who still has this problem please file a new issue with the exact description of what happens, logs, and the output of flutter doctor -v.
All system setups can be slightly different, so it's always better to open new issues and reference related issues.

@pedromassangocode pedromassangocode removed in triage Presently being triaged by the triage team waiting for customer response The Flutter team cannot make further progress on this issue until the original reporter responds labels Oct 28, 2020
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This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Aug 10, 2021
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@Abhishek01039 @pedromassangocode @Niroop4444