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https://issues.apache.org/jira/browse/AIRFLOW-5393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ivan de los santos updated AIRFLOW-5393:
----------------------------------------
Environment:
Linux
NAME="Ubuntu"
VERSION="18.04.2 LTS (Bionic Beaver)"
Airflow version 1.10.4
was:
Operating system
> UI crash in the Ad Hoc Query menu
> ---------------------------------
>
> Key: AIRFLOW-5393
> URL: https://issues.apache.org/jira/browse/AIRFLOW-5393
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
> Affects Versions: 1.10.4
> Environment: Linux
> NAME="Ubuntu"
> VERSION="18.04.2 LTS (Bionic Beaver)"
> Airflow version 1.10.4
> Reporter: ivan de los santos
> Priority: Minor
> Labels: beginner, easyfix, patch
> Attachments: Captura de pantalla de 2019-09-03 13-42-02.png
>
>
> Airflow UI will crash in the browser returning "Oops" message and the
> Traceback of the crashing error.
>
> *How to replicate*:
> # Launch airflow webserver -p 8080
> # Go to the Airflow-UI
> # Click on "Data Profiling"
> # Select any connection to a database.
> # Click on ".csv" button without writing any text on the query field.
> # You will get an "oops" message with the Traceback.
>
> *File causing the problem*: /python3.6/dist-packages/airflow/www/views.py
> (Line 2318)
>
> *Reasons of the problem*:
> # UnboundLocalError: local variable 'df' referenced before assignment
> * This means "df" was never declared, infact df it is contained in a try /
> except block so the except will probably be launched before df gets an
> assignment.
> {code:java}
> Traceback (most recent call last):
> File "/home/rde/.local/lib/python3.6/site-packages/flask/app.py", line
> 2446, in wsgi_app
> response = self.full_dispatch_request()
> File "/home/rde/.local/lib/python3.6/site-packages/flask/app.py", line
> 1951, in full_dispatch_request
> rv = self.handle_user_exception(e)
> File "/home/rde/.local/lib/python3.6/site-packages/flask/app.py", line
> 1820, in handle_user_exception
> reraise(exc_type, exc_value, tb)
> File "/home/rde/.local/lib/python3.6/site-packages/flask/_compat.py", line
> 39, in reraise
> raise value
> File "/home/rde/.local/lib/python3.6/site-packages/flask/app.py", line
> 1949, in full_dispatch_request
> rv = self.dispatch_request()
> File "/home/rde/.local/lib/python3.6/site-packages/flask/app.py", line
> 1935, in dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File "/home/rde/.local/lib/python3.6/site-packages/flask_admin/base.py",
> line 69, in inner
> return self._run_view(f, *args, **kwargs)
> File "/home/rde/.local/lib/python3.6/site-packages/flask_admin/base.py",
> line 368, in _run_view
> return fn(self, *args, **kwargs)
> File "/usr/local/lib/python3.6/dist-packages/airflow/www/utils.py", line
> 375, in view_func
> return f(*args, **kwargs)
> File "/usr/local/lib/python3.6/dist-packages/airflow/utils/db.py", line 74,
> in wrapper
> return func(*args, **kwargs)
> File "/usr/local/lib/python3.6/dist-packages/airflow/www/views.py", line
> 2318, in query
> response=df.to_csv(index=False),
> UnboundLocalError: local variable 'df' referenced before assignment
> {code}
> *Proposed solution*: Return a message indicating that the query is emtpy.
>
>
> I am willing to work in this issue if someone with more experience could
> guide me about how he expects the application to behave.
> This is my first open issue.
>
> Best regards,
> Iván
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