[jira] [Created] (AIRFLOW-1400) catchup=False caused exception

["Xi Wang (JIRA)" <ji...@apache.org>]

Xi Wang created AIRFLOW-1400:
--------------------------------

             Summary: 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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