atharvaajmera opened a new pull request, #74192: URL: https://github.com/apache/airflow/pull/74192
## Summary The triggerer tells migration, user action and shutdown apart only by `asyncio.CancelledError` propagating out of `trigger.run()`. The `except asyncio.CancelledError` handlers in `DataprocSubmitTrigger.run()`, `DataprocSubmitJobDirectTrigger.run()` and `DataprocClusterTrigger.run()` performed cleanup (cancel the job/cluster when `safe_to_cancel()`) but never re-raised, so a transient triggerer stall followed by trigger migration produced `Trigger exited without sending an event. Dependent tasks will be failed.` for every hosted deferred task instead of a transparent failover. This is the same bug shape fixed for `BigQueryInsertJobTrigger` in #63730: add the missing bare `raise` after cleanup so `cleanup_finished_triggers()` takes the expected cancelled path. `DataprocBatchTrigger`, `DataprocDeleteClusterTrigger` and `DataprocOperationTrigger` are unaffected (no `CancelledError` handler, and `except Exception` does not catch `CancelledError`). The cancellation tests now require `CancelledError` instead of also accepting `StopAsyncIteration`, and the cluster not-safe test actually injects cancellation (it previously completed before cancelling). closes: #74087 --- ##### Was generative AI tooling used to co-author this PR? - [X] Yes — Muse Spark Generated-by: Muse Spark following [the guidelines](https://github.com/apache/airflow/blob/main/contributing-docs/05_pull_requests.rst#gen-ai-assisted-contributions) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
