unbridled-41 commented on PR #4561:
URL:
https://github.com/apache/rocketmq-dashboard/pull/4561#issuecomment-5965573611
### CI attribution: `Backend Tests (Java 21)` failed on a pre-existing flake
in another test class
```
[ERROR]
AiRunServiceTest.stopShouldAbortALiveRunAndLeaveItStoppedWithUserStopTest
Expecting Optional to contain a value but it was empty.
```
This PR does not touch `AiRunService` or any AI code; the failure is the
race in that test —
`service.stop(...)` cancels the worker, whose finalisation removes the
registration, so looking the
handle up again afterwards races with its removal. The run is dated
2026-10-01, before the batch of
PRs I opened later, which is independent evidence that the flake predates
them.
Fixed in #5450 (capture the handle before stopping; `AiRunServiceTest` 22
passed × 10 runs).
Local evidence on a clean checkout:
```
cd server && mvn -o test -Dtest=AiRunServiceTest
Tests run: 22, Failures: 0, Errors: 0, Skipped: 0
```
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