[jira] [Updated] (AIRFLOW-2263) stack trace from null dag in webserver output

["Siddharth Anand (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-2263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Anand updated AIRFLOW-2263:
-------------------------------------
    Attachment: image-2018-09-14-14-32-19-709.png

> stack trace from null dag in webserver output
> ---------------------------------------------
>
>                 Key: AIRFLOW-2263
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2263
>             Project: Apache Airflow
>          Issue Type: Bug
>            Reporter: andy dreyfuss
>            Assignee: Mark Lavrynenko
>            Priority: Major
>         Attachments: image-2018-09-14-14-32-19-709.png
>
>
> webserver is reporting the following
> {code:java}
> Traceback (most recent call last):
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/app.py", line 1988, in wsgi_app
> response = self.full_dispatch_request()
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/app.py", line 1641, in full_dispatch_request
> rv = self.handle_user_exception(e)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/app.py", line 1544, in handle_user_exception
> reraise(exc_type, exc_value, tb)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/_compat.py", line 33, in reraise
> raise value
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/app.py", line 1639, in full_dispatch_request
> rv = self.dispatch_request()
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask/app.py", line 1625, in dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask_admin/base.py", line 69, in inner
> return self._run_view(f, *args, **kwargs)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask_admin/base.py", line 368, in _run_view
> return fn(self, *args, **kwargs)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/flask_login.py", line 755, in decorated_view
> return func(*args, **kwargs)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/airflow/www/utils.py", line 356, in view_func
> return f(*args, **kwargs)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/airflow/www/utils.py", line 262, in wrapper
> return f(*args, **kwargs)
> File "/path/to/a/virtualenv/lib/python3.6/site-packages/airflow/www/views.py", line 1154, in tree
> base_date = dag.latest_execution_date or datetime.utcnow()
> AttributeError: 'NoneType' object has no attribute 'latest_execution_date'
>  
> {code}



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