NilsJPWerner commented on issue #14327:
URL: https://github.com/apache/airflow/issues/14327#issuecomment-785342026
Here is the full traceback:
```
Ooops!
Something bad has happened.
Please consider letting us know by creating a bug report using GitHub.
Python version: 3.7.10
Airflow version: 2.0.0+astro.3
Node: elementary-mass-2343-webserver-77c8dcdcd9-jsszn
-------------------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2447, in
wsgi_app
response = self.full_dispatch_request()
File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1952, in
full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1821, in
handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.7/site-packages/flask/_compat.py", line 39,
in reraise
raise value
File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1950, in
full_dispatch_request
rv = self.dispatch_request()
File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1936, in
dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/usr/local/lib/python3.7/site-packages/airflow/www/auth.py", line
34, in decorated
return func(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/airflow/www/decorators.py",
line 97, in view_func
return f(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/airflow/www/decorators.py",
line 60, in wrapper
return f(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/airflow/utils/session.py",
line 65, in wrapper
return func(*args, session=session, **kwargs)
File "/usr/local/lib/python3.7/site-packages/airflow/www/views.py", line
2101, in graph
dag_run_state=dt_nr_dr_data['dr_state'],
File "/usr/local/lib/python3.7/site-packages/airflow/www/views.py", line
400, in render_template
**kwargs,
File
"/usr/local/lib/python3.7/site-packages/flask_appbuilder/baseviews.py", line
281, in render_template
template, **dict(list(kwargs.items()) + list(self.extra_args.items()))
File "/usr/local/lib/python3.7/site-packages/flask/templating.py", line
140, in render_template
ctx.app,
File "/usr/local/lib/python3.7/site-packages/flask/templating.py", line
120, in _render
rv = template.render(context)
File "/usr/local/lib/python3.7/site-packages/jinja2/environment.py", line
1090, in render
self.environment.handle_exception()
File "/usr/local/lib/python3.7/site-packages/jinja2/environment.py", line
832, in handle_exception
reraise(*rewrite_traceback_stack(source=source))
File "/usr/local/lib/python3.7/site-packages/jinja2/_compat.py", line 28,
in reraise
raise value.with_traceback(tb)
File
"/usr/local/lib/python3.7/site-packages/airflow/www/templates/airflow/graph.html",
line 21, in top-level template code
{% from 'appbuilder/loading_dots.html' import loading_dots %}
File
"/usr/local/lib/python3.7/site-packages/airflow/www/templates/airflow/dag.html",
line 21, in top-level template code
{% from 'appbuilder/dag_docs.html' import dag_docs %}
File
"/usr/local/lib/python3.7/site-packages/astronomer/airflow/version_check/templates/astro-baselayout.html",
line 1, in top-level template code
{% extends airflow_base_template %}
File
"/usr/local/lib/python3.7/site-packages/airflow/www/templates/airflow/main.html",
line 20, in top-level template code
{% extends 'appbuilder/baselayout.html' %}
File
"/usr/local/lib/python3.7/site-packages/flask_appbuilder/templates/appbuilder/baselayout.html",
line 2, in top-level template code
{% import 'appbuilder/baselib.html' as baselib %}
File
"/usr/local/lib/python3.7/site-packages/flask_appbuilder/templates/appbuilder/init.html",
line 60, in top-level template code
{% block tail %}
File
"/usr/local/lib/python3.7/site-packages/airflow/www/templates/airflow/graph.html",
line 145, in block "tail"
var task_instances = {{ task_instances|tojson }};
File "/usr/local/lib/python3.7/site-packages/flask/json/__init__.py", line
376, in tojson_filter
return Markup(htmlsafe_dumps(obj, **kwargs))
File "/usr/local/lib/python3.7/site-packages/flask/json/__init__.py", line
290, in htmlsafe_dumps
dumps(obj, **kwargs)
File "/usr/local/lib/python3.7/site-packages/flask/json/__init__.py", line
211, in dumps
rv = _json.dumps(obj, **kwargs)
File "/usr/local/lib/python3.7/json/__init__.py", line 238, in dumps
**kw).encode(obj)
File "/usr/local/lib/python3.7/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/local/lib/python3.7/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File "/usr/local/lib/python3.7/site-packages/airflow/utils/json.py", line
74, in _default
raise TypeError(f"Object of type '{obj.__class__.__name__}' is not JSON
serializable")
TypeError: Object of type 'V1ResourceRequirements' is not JSON serializable
```
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