lohitkolluri commented on code in PR #67900:
URL: https://github.com/apache/airflow/pull/67900#discussion_r3350055154
##########
airflow-core/src/airflow/api_fastapi/core_api/routes/public/backfills.py:
##########
@@ -269,6 +284,14 @@ def create_backfill(
status_code=status.HTTP_400_BAD_REQUEST,
detail=str(e),
)
+ except OperationalError as e:
+ if "database is locked" in str(e):
+ raise HTTPException(
+ status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
+ detail="Backfill creation failed because the database is
locked. "
+ "This is a transient error — please retry the request.",
+ )
+ raise
Review Comment:
Good catch — the second handler was indeed unreachable. I've consolidated
both into a single handler with retry logic: 3 attempts with exponential
backoff (0.1s, 0.2s, 0.4s) before falling through to the HTTP 503. The
implementation also uses str(e) matching for robustness instead of
e.orig.args[0]. Pushed in the latest commit.
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