[
https://issues.apache.org/jira/browse/AIRFLOW-4756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Standish reassigned AIRFLOW-4756:
----------------------------------------
Assignee: Daniel Standish
> gantt chart view fails after clearing failed task in current run
> ----------------------------------------------------------------
>
> Key: AIRFLOW-4756
> URL: https://issues.apache.org/jira/browse/AIRFLOW-4756
> Project: Apache Airflow
> Issue Type: Bug
> Components: ui
> Affects Versions: 1.10.3
> Reporter: Daniel Standish
> Assignee: Daniel Standish
> Priority: Minor
>
> To repro:
> Make some dag with a number of decently long-running tasks (so you have time
> to do this).
> Get the dag running
> Make sure one of the tasks fails.
> Before the others complete, clear the failing task.
> View gantt chart.
> Observer error like so:
> {code}
> Traceback (most recent call last):
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/app.py",
> line 2292, in wsgi_app
> response = self.full_dispatch_request()
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/app.py",
> line 1815, in full_dispatch_request
> rv = self.handle_user_exception(e)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/app.py",
> line 1718, in handle_user_exception
> reraise(exc_type, exc_value, tb)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/_compat.py",
> line 35, in reraise
> raise value
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/app.py",
> line 1813, in full_dispatch_request
> rv = self.dispatch_request()
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/app.py",
> line 1799, in dispatch_request
> return self.view_functions[rule.endpoint](**req.view_args)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask_admin/base.py",
> line 69, in inner
> return self._run_view(f, *args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask_admin/base.py",
> line 368, in _run_view
> return fn(self, *args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask_login/utils.py",
> line 258, in decorated_view
> return func(*args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/utils.py",
> line 275, in wrapper
> return f(*args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/utils/db.py",
> line 73, in wrapper
> return func(*args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/views.py",
> line 2015, in gantt
> root=root,
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask_admin/base.py",
> line 308, in render
> return render_template(template, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/templating.py",
> line 135, in render_template
> context, ctx.app)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/templating.py",
> line 117, in _render
> rv = template.render(context)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/jinja2/asyncsupport.py",
> line 76, in render
> return original_render(self, *args, **kwargs)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/jinja2/environment.py",
> line 1008, in render
> return self.environment.handle_exception(exc_info, True)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/jinja2/environment.py",
> line 780, in handle_exception
> reraise(exc_type, exc_value, tb)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/jinja2/_compat.py",
> line 37, in reraise
> raise value.with_traceback(tb)
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/templates/airflow/gantt.html",
> line 18, in top-level template code
> {% extends "airflow/dag.html" %}
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/templates/airflow/dag.html",
> line 19, in top-level template code
> {% import 'admin/lib.html' as lib with context %}
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/templates/airflow/master.html",
> line 18, in top-level template code
> {% extends "admin/master.html" %}
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/templates/admin/master.html",
> line 18, in top-level template code
> {% extends 'admin/base.html' %}
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask_admin/templates/bootstrap3/admin/base.html",
> line 94, in top-level template code
> {% block tail %}
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/airflow/www/templates/airflow/gantt.html",
> line 58, in block "tail"
> data = {{ data |tojson|safe }};
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/json/__init__.py",
> line 327, in tojson_filter
> return Markup(htmlsafe_dumps(obj, **kwargs))
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/json/__init__.py",
> line 242, in htmlsafe_dumps
> rv = dumps(obj, **kwargs) \
> File
> "/Users/someperson/.virtualenvs/scratch/lib/python3.7/site-packages/flask/json/__init__.py",
> line 179, in dumps
> rv = _json.dumps(obj, **kwargs)
> File
> "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/__init__.py",
> line 238, in dumps
> **kw).encode(obj)
> File
> "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/encoder.py",
> line 199, in encode
> chunks = self.iterencode(o, _one_shot=True)
> File
> "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/json/encoder.py",
> line 257, in iterencode
> return _iterencode(o, 0)
> TypeError: '<' not supported between instances of 'NoneType' and 'str'
> {code}
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