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https://issues.apache.org/jira/browse/AIRFLOW-1001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bolke de Bruin updated AIRFLOW-1001:
------------------------------------
Priority: Blocker (was: Major)
> Landing Time shows "unsupported operand type(s) for -: 'datetime.datetime'
> and 'NoneType'" on example_subdag_operator
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: AIRFLOW-1001
> URL: https://issues.apache.org/jira/browse/AIRFLOW-1001
> Project: Apache Airflow
> Issue Type: Bug
> Components: DAG, ui
> Affects Versions: 1.8.0, 1.8.0rc5
> Reporter: Ruslan Dautkhanov
> Priority: Blocker
>
> Sample DAG example_subdag_operator shows below Oops page
> on "Landing Times" tab
> {noformat}
> -------------------------------------------------------------------------------
> Traceback (most recent call last):
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask/app.py",
> line 1988, in wsgi_app
> response = self.full_dispatch_request()
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask/app.py",
> line 1641, in full_dispatch_request
> rv = self.handle_user_exception(e)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask/app.py",
> line 1544, in handle_user_exception
> reraise(exc_type, exc_value, tb)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask/app.py",
> line 1639, in full_dispatch_request
> rv = self.dispatch_request()
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask/app.py",
> line 1625, in dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask_admin/base.py",
> line 69, in inner
> return self._run_view(f, *args, **kwargs)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask_admin/base.py",
> line 368, in _run_view
> return fn(self, *args, **kwargs)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/flask_login.py",
> line 755, in decorated_view
> return func(*args, **kwargs)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/airflow/www/utils.py",
> line 125, in wrapper
> return f(*args, **kwargs)
> File
> "/opt/cloudera/parcels/Anaconda/lib/python2.7/site-packages/airflow/www/views.py",
> line 1560, in landing_times
> secs = (ti.end_date - ts).total_seconds()
> TypeError: unsupported operand type(s) for -: 'datetime.datetime' and
> 'NoneType'
> {noformat}
> http://somehost:18111/admin/airflow/landing_times?root=&days=30&dag_id=example_subdag_operator
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