[jira] [Created] (AIRFLOW-1420) Dag fails, but none of tasks has failed

["Maciej Z (JIRA)" <ji...@apache.org>]

Maciej Z created AIRFLOW-1420:
---------------------------------

             Summary: Dag fails, but none of tasks has failed
                 Key: AIRFLOW-1420
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1420
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Maciej Z


Here's the code:

{noformat}
# -*- coding: utf-8 -*-
from airflow.operators.dummy_operator import DummyOperator
from airflow.models import DAG
from datetime import date, datetime, timedelta

day_ago = datetime.combine(datetime.today() - timedelta(1), datetime.min.time())
args = {'owner': 'airflow',  'start_date': day_ago,}

dag = DAG(dag_id='not_running_dummy2_test', default_args=args, schedule_interval='00 * * * *',  dagrun_timeout=timedelta(hours=12))
DummyOperator(task_id='a', dag=dag)  >>  DummyOperator(task_id='b', dag=dag, trigger_rule='one_failed')

if __name__ == "__main__":
    dag.cli()
{noformat}



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