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Mac_ios integration_ui_ios_screenshot is flaky, Last layer tree was null when screenshotting. #79095
Description
[integration_ui_ios_screenshot] [STDOUT] stderr: [ +29 ms] VMServiceFlutterDriver: Connecting to Flutter application at http://127.0.0.1:59165/TCcQUf8d8T4=/
[integration_ui_ios_screenshot] [STDOUT] stderr: [ +147 ms] VMServiceFlutterDriver: Isolate found with number: 3839881064590291
[integration_ui_ios_screenshot] [STDOUT] stderr: [ +36 ms] VMServiceFlutterDriver: Isolate is paused at start.
[integration_ui_ios_screenshot] [STDOUT] stderr: [ ] VMServiceFlutterDriver: Attempting to resume isolate
[integration_ui_ios_screenshot] [STDOUT] stderr: [+1013 ms] VMServiceFlutterDriver: Connected to Flutter application.
[integration_ui_ios_screenshot] [STDOUT] stdout: [ +4 ms] 00:01 �[32m+0�[0m: FlutterDriver should take screenshot�[0m
[integration_ui_ios_screenshot] [STDOUT] stdout: [+2130 ms] [VERBOSE-2:rasterizer.cc(624)] Last layer tree was null when screenshotting.
[integration_ui_ios_screenshot] [STDOUT] stdout: [ +8 ms] 00:03 �[32m+0�[0m�[31m -1�[0m: FlutterDriver should take screenshot �[1m�[31m[E]�[0m�[0m
[integration_ui_ios_screenshot] [STDOUT] stdout: [ +1 ms] _flutter.screenshot: (-32000) Could not capture image screenshot.
The app is just sitting on a white screen: https://storage.googleapis.com/flutter_logs/flutter/fd1ccd530ce4d733a5209bfc08d64756a0161d9f/integration_ui_ios_screenshot/38ad9fb1-5bc5-46cb-ac0f-f402f2421812/drive_01.png
Activity
chinmaygarde commentedon Mar 29, 2021
The logs say "Last layer tree was null when screenshotting" when an isolate was running. That indicates that no frames were scheduled after the app was launched.
chinmaygarde commentedon Mar 29, 2021
The umbrella bug has been marked as P2 instead. Closing this.
github-actions commentedon Aug 3, 2021
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 -vand a minimal reproduction of the issue.