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https://issues.apache.org/jira/browse/AIRFLOW-1400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083708#comment-16083708
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Xi Wang commented on AIRFLOW-1400:
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[~dxhuang]
It's @once. is that the issue? thx.
> 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.
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