Noahnut commented on issue #53905:
URL: https://github.com/apache/airflow/issues/53905#issuecomment-3236212336
Hi, I have the same problem with Airflow 3.0.4 running on K8s.
I use a Dynamic DAG to run the tasks, and there is only one Airflow
scheduler running on the cluster.
I suspect that the retry logic policy may be causing this issue, because my
scheduler sometimes restarts.
```
AirflowRuntimeError: API_SERVER_ERROR: {'status_code': 409, 'message':
'Server returned error', 'detail': {'detail': {'reason':
'Unique constraint violation', 'statement': 'INSERT INTO
rendered_task_instance_fields (dag_id, task_id, run_id, map_index,
rendered_fields, k8s_pod_yaml) VALUES (%s, %s, %s, %s, %s, %s)',
'orig_error': '(1062, "Duplicate entry \'xxxx__2025-08-
28T06\' for key \'rendered_task_instance_fields.PRIMARY\'")', 'message':
'Serious error when handling your request. Check
logs for more details - you will find it in api server when you look for ID
MhGcuhac'}}}
```
If you need more information or fix this problem, please tell me
Thank you
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