[jira] [Resolved] (FLINK-39845) SavepointITCase.testStopWithSavepointFailsOverToSavepoint fails on AdaptiveScheduler after JUnit5 migration

["Martijn Visser (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-39845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martijn Visser resolved FLINK-39845.
------------------------------------
    Resolution: Fixed

Fixed in apache/flink:master c3ec5690874a55110ef3ecfb80a335c415ee1b57

> SavepointITCase.testStopWithSavepointFailsOverToSavepoint fails on AdaptiveScheduler after JUnit5 migration
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-39845
>                 URL: https://issues.apache.org/jira/browse/FLINK-39845
>             Project: Flink
>          Issue Type: Bug
>          Components: Tests
>    Affects Versions: 2.3.0
>            Reporter: Martijn Visser
>            Assignee: Martijn Visser
>            Priority: Major
>              Labels: pull-request-available, test-stability
>             Fix For: 2.4.0
>
>
> SavepointITCase.testStopWithSavepointFailsOverToSavepoint fails deterministically in the test_cron_adaptive_scheduler tests leg on master only. It has been red every nightly since 2026-03-21, the first nightly after the JUnit5 migration FLINK-39124 rewrote this file. It passes under the default scheduler, and passes under the adaptive scheduler on release-2.0/2.1 pre-migration assertion).
> {code:java}
> java.lang.AssertionError:
> Expecting a throwable with cause being an instance of:
>   org.apache.flink.runtime.scheduler.stopwithsavepoint.StopWithSavepointStoppingException
> but was an instance of:
>   org.apache.flink.util.FlinkException
> ...
>   at org.apache.flink.test.checkpointing.SavepointITCase.testStopWithSavepointFailsOverToSavepoint(SavepointITCase.java:324)
> {code}
> Root cause: the migration replaced a cause-chain search (ExceptionUtils.assertThrowable → findThrowable) with a direct-cause check (assertThatThrownBy(...).hasCauseInstanceOf(StopWithSavepointStoppingException.class)). Under the AdaptiveScheduler, StopWithSavepoint.onLeave() wraps the expected StopWithSavepointStoppingException inside a FlinkException ("Stop with savepoint operation could not be completed."), so it is no longer the direct cause. The runtime is unchanged (StopWithSavepoint.java is byte-identical).
> Fix: restore the chain search via FlinkAssertions.anyCauseMatches, so the test passes under both schedulers.
> Build: https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=75618 (leg: test_cron_adaptive_scheduler tests)



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