gfeldman opened a new issue, #26527:
URL: https://github.com/apache/airflow/issues/26527
### Apache Airflow version
2.4.0
### What happened
When I click on the graph view or the gaant view for a DAG that has a task
with pod_overrides, I get
```
Something bad has happened.
Airflow is used by many users, and it is very likely that others had similar
problems and you can easily find
a solution to your problem.
Consider following these steps:
* gather the relevant information (detailed logs with errors, reproduction
steps, details of your deployment)
* find similar issues using:
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* [Stack Overflow](https://stackoverflow.com/questions/tagged/airflow)
* the usual search engine you use on a daily basis
* if you run Airflow on a Managed Service, consider opening an issue using
the service support channels
* if you tried and have difficulty with diagnosing and fixing the problem
yourself, consider creating a [bug
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Make sure however, to include all relevant details and results of your
investigation so far.
Python version: 3.8.14
Airflow version: 2.4.0
Node: airflow-webserver-6d4d7d5ccd-qc2x5
-------------------------------------------------------------------------------
Traceback (most recent call last):
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
2525, in wsgi_app
response = self.full_dispatch_request()
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1822, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1820, in full_dispatch_request
rv = self.dispatch_request()
File "/home/airflow/.local/lib/python3.8/site-packages/flask/app.py", line
1796, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/auth.py", line
47, in decorated
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/decorators.py",
line 118, in view_func
return f(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/decorators.py",
line 81, in wrapper
return f(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/utils/session.py",
line 75, in wrapper
return func(*args, session=session, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/views.py", line
2810, in graph
return self.render_template(
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/views.py", line
541, in render_template
return super().render_template(
File
"/home/airflow/.local/lib/python3.8/site-packages/flask_appbuilder/baseviews.py",
line 322, in render_template
return render_template(
File
"/home/airflow/.local/lib/python3.8/site-packages/flask/templating.py", line
147, in render_template
return _render(app, template, context)
File
"/home/airflow/.local/lib/python3.8/site-packages/flask/templating.py", line
130, in _render
rv = template.render(context)
File
"/home/airflow/.local/lib/python3.8/site-packages/jinja2/environment.py", line
1301, in render
self.environment.handle_exception()
File
"/home/airflow/.local/lib/python3.8/site-packages/jinja2/environment.py", line
936, in handle_exception
raise rewrite_traceback_stack(source=source)
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/templates/airflow/graph.html",
line 21, in top-level template code
{% from 'appbuilder/loading_dots.html' import loading_dots %}
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/templates/airflow/dag.html",
line 37, in top-level template code
{% set execution_date_arg = request.args.get('execution_date') %}
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/templates/airflow/main.html",
line 21, in top-level template code
{% from 'airflow/_messages.html' import show_message %}
File
"/home/airflow/.local/lib/python3.8/site-packages/flask_appbuilder/templates/appbuilder/baselayout.html",
line 2, in top-level template code
{% import 'appbuilder/baselib.html' as baselib %}
File
"/home/airflow/.local/lib/python3.8/site-packages/flask_appbuilder/templates/appbuilder/init.html",
line 50, in top-level template code
{% block tail %}
File
"/home/airflow/.local/lib/python3.8/site-packages/airflow/www/templates/airflow/graph.html",
line 137, in block 'tail'
let taskInstances = {{ task_instances|tojson }};
File "/home/airflow/.local/lib/python3.8/site-packages/jinja2/filters.py",
line 1688, in do_tojson
return htmlsafe_json_dumps(value, dumps=dumps, **kwargs)
File "/home/airflow/.local/lib/python3.8/site-packages/jinja2/utils.py",
line 658, in htmlsafe_json_dumps
dumps(obj, **kwargs)
File
"/home/airflow/.local/lib/python3.8/site-packages/flask/json/provider.py", line
230, in dumps
return json.dumps(obj, **kwargs)
File "/usr/local/lib/python3.8/json/__init__.py", line 234, in dumps
return cls(
File "/usr/local/lib/python3.8/json/encoder.py", line 199, in encode
chunks = self.iterencode(o, _one_shot=True)
File "/usr/local/lib/python3.8/json/encoder.py", line 257, in iterencode
return _iterencode(o, 0)
File
"/home/airflow/.local/lib/python3.8/site-packages/flask/json/provider.py", line
122, in _default
raise TypeError(f"Object of type {type(o).__name__} is not JSON
serializable")
TypeError: Object of type V1Pod is not JSON serializable
```
### What you think should happen instead
The UI should render the dag visualization.
### How to reproduce
* Add a `pod_override` to a task
* Run the task
* click on the graph view
### Operating System
Debian GNU/Linux 11 (bullseye) docker image
### Versions of Apache Airflow Providers
apache-airflow-providers-airbyte==3.1.0
apache-airflow-providers-amazon==5.1.0
apache-airflow-providers-apache-spark==3.0.0
apache-airflow-providers-celery==3.0.0
apache-airflow-providers-cncf-kubernetes==4.3.0
apache-airflow-providers-common-sql==1.2.0
apache-airflow-providers-datadog==3.0.0
apache-airflow-providers-docker==3.1.0
apache-airflow-providers-elasticsearch==4.2.0
apache-airflow-providers-ftp==3.1.0
apache-airflow-providers-google==8.3.0
apache-airflow-providers-grpc==3.0.0
apache-airflow-providers-hashicorp==3.1.0
apache-airflow-providers-http==4.0.0
apache-airflow-providers-imap==3.0.0
apache-airflow-providers-jira==3.0.1
apache-airflow-providers-microsoft-azure==4.2.0
apache-airflow-providers-odbc==3.1.1
apache-airflow-providers-pagerduty==3.0.0
apache-airflow-providers-postgres==5.2.1
apache-airflow-providers-redis==3.0.0
apache-airflow-providers-salesforce==5.1.0
apache-airflow-providers-sendgrid==3.0.0
apache-airflow-providers-sftp==4.0.0
apache-airflow-providers-slack==5.1.0
apache-airflow-providers-sqlite==3.2.1
apache-airflow-providers-ssh==3.1.0
apache-airflow-providers-tableau==3.0.1
### Deployment
Official Apache Airflow Helm Chart
### Deployment details
official helm
### Anything else
every time after the dag is run
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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