[ https://issues.apache.org/jira/browse/AIRFLOW-1400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16249331#comment-16249331 ]
Arjun Arippa commented on AIRFLOW-1400: --------------------------------------- I'm also getting the same error when trying with the pattern: default_args = { 'owner': 'airflow', 'depends_on_past': False, 'start_date': datetime(2017,11,13), 'email': ['airf...@airflow.com'], 'email_on_failure': False, 'email_on_retry': False, 'retries': 1, 'retry_delay': timedelta(seconds=5) } dag = DAG( dag_id='my_dag_id', default_args=default_args, schedule_interval='@once',concurrency=1) I'm using airflow version 1.8.0. Thnx, Arjun > catchup=False caused exception > ------------------------------ > > Key: AIRFLOW-1400 > URL: https://issues.apache.org/jira/browse/AIRFLOW-1400 > Project: Apache Airflow > Issue Type: Bug > Components: scheduler > Affects Versions: Airflow 1.8 > Reporter: Xi Wang > > When I set of the task with catchup=False, it threw a error as > follow(logs/scheduler/my_dag_name): > [2017-07-10 15:13:12,534] {jobs.py:354} DagFileProcessor373 ERROR - Got an > exception! Propagating... > Traceback (most recent call last): > File "/usr/lib/python2.7/site-packages/airflow/jobs.py", line 346, in helper > pickle_dags) > File "/usr/lib/python2.7/site-packages/airflow/utils/db.py", line 53, in > wrapper > result = func(*args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/jobs.py", line 1581, in > process_file > self._process_dags(dagbag, dags, ti_keys_to_schedule) > File "/usr/lib/python2.7/site-packages/airflow/jobs.py", line 1171, in > _process_dags > dag_run = self.create_dag_run(dag) > File "/usr/lib/python2.7/site-packages/airflow/utils/db.py", line 53, in > wrapper > result = func(*args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/jobs.py", line 776, in > create_dag_run > if next_start <= now: > TypeError: can't compare datetime.datetime to NoneType > It seems next_start was not defined properly, > (https://github.com/apache/incubator-airflow/blob/master/airflow/jobs.py#L777) > Any help is appreciated. -- This message was sent by Atlassian JIRA (v6.4.14#64029)