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https://issues.apache.org/jira/browse/AIRFLOW-2636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848083#comment-16848083
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ASF GitHub Bot commented on AIRFLOW-2636:
-----------------------------------------
tssujt commented on pull request #5176: [AIRFLOW-2636] Fix Nonetype error for
task failure instance duration
URL: https://github.com/apache/airflow/pull/5176
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> Airflow crash on click on "Task Duration"
> -----------------------------------------
>
> Key: AIRFLOW-2636
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2636
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
> Affects Versions: 2.0.0
> Reporter: gsemet
> Assignee: Helen Weng
> Priority: Major
> Labels: webapp
>
> Using Airflow HEAD
> {code}
> -------------------------------------------------------------------------------
> Node: afdev-web-55664d57cb-wqxqx
> -------------------------------------------------------------------------------
> Traceback (most recent call last):
> File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1982, in
> wsgi_app
> response = self.full_dispatch_request()
> File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1614, in
> full_dispatch_request
> rv = self.handle_user_exception(e)
> File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1517, in
> handle_user_exception
> reraise(exc_type, exc_value, tb)
> File "/usr/local/lib/python3.6/site-packages/flask/_compat.py", line 33, in
> reraise
> raise value
> File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1612, in
> full_dispatch_request
> rv = self.dispatch_request()
> File "/usr/local/lib/python3.6/site-packages/flask/app.py", line 1598, in
> dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File "/usr/local/lib/python3.6/site-packages/flask_admin/base.py", line 69,
> in inner
> return self._run_view(f, *args, **kwargs)
> File "/usr/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/site-packages/flask_login.py", line 755, in
> decorated_view
> return func(*args, **kwargs)
> File "/usr/local/lib/python3.6/site-packages/airflow/www/utils.py", line
> 270, in wrapper
> return f(*args, **kwargs)
> File "/usr/local/lib/python3.6/site-packages/airflow/utils/db.py", line 74,
> in wrapper
> return func(*args, **kwargs)
> File "/usr/local/lib/python3.6/site-packages/airflow/www/views.py", line
> 1551, in duration
> fails_totals[dict_key] += tf.duration
> TypeError: unsupported operand type(s) for +=: 'int' and 'NoneType'
> {code}
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