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Windows build_tests_3_3 is 2.00% flaky #101431

Description

@fluttergithubbot

The post-submit test builder Windows build_tests_3_3 had a flaky ratio 2.00% for the past (up to) 100 commits, which is above our 2.00% threshold.

One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20build_tests_3_3/4094
Commit: 2d9ad26

Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20build_tests_3_3/4094
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20build_tests_3_3/4084

Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Windows%20build_tests_3_3

Please follow https://github.com/flutter/flutter/wiki/Reducing-Test-Flakiness#fixing-flaky-tests to fix the flakiness and enable the test back after validating the fix (internal dashboard to validate: go/flutter_test_flakiness).

Activity

  1. added
    c: flakeTests that sometimes, but not always, incorrectly pass
    toolAffects the "flutter" command-line tool. See also t: labels.
    on Apr 6, 2022
  2. zanderso commented on Apr 6, 2022

    @zanderso
    Member

    Both failed with:

    [+8397 ms] FAILURE: Build failed with an exception.
    [   +3 ms] * Where:
    [        ] Script 'C:\b\s\w\ir\x\w\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 293
    [        ] * What went wrong:
    [        ] A problem occurred evaluating script.
    [        ] > Failed to apply plugin class 'FlutterPlugin'.
    [        ]    > Comparison method violates its general contract!
    [        ] * Try:
    [        ] Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
    [        ] * Get more help at https://help.gradle.org/
    [        ] BUILD FAILED in 11s
    

    Routing to @blasten for triage.

  3. assigned and unassigned on Apr 6, 2022
  4. added
    P1High-priority issues at the top of the work list
    and removed on Apr 11, 2022
  5. fluttergithubbot commented on Apr 20, 2022

    @fluttergithubbot
    ContributorAuthor

    [prod pool] current flaky ratio for the past (up to) 100 commits is 0.00%. Flaky number: 0; total number: 100.

  6. blasten commented on Apr 20, 2022

    @blasten

    closing for now. Hopefully, we get stacktraces if this issue comes back.

  7. github-actions commented on May 4, 2022

    @github-actions

    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.

  8. locked as resolved and limited conversation to collaborators on May 4, 2022
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P1High-priority issues at the top of the work listc: flakeTests that sometimes, but not always, incorrectly passtoolAffects the "flutter" command-line tool. See also t: labels.

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