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Description
Checklist
- I have verified that the issue exists against the
mainbranch of Celery. - This has already been asked to the discussions forum first.
- I have read the relevant section in the
contribution guide
on reporting bugs. - I have checked the issues list
for similar or identical bug reports. - I have checked the pull requests list
for existing proposed fixes. - I have checked the commit log
to find out if the bug was already fixed in the main branch. - I have included all related issues and possible duplicate issues
in this issue (If there are none, check this box anyway).
Mandatory Debugging Information
- I have included the output of
celery -A proj reportin the issue.
(if you are not able to do this, then at least specify the Celery
version affected). - I have verified that the issue exists against the
mainbranch of Celer
y. - I have included the contents of
pip freezein the issue. - I have included all the versions of all the external dependencies required
to reproduce this bug.
Optional Debugging Information
- I have tried reproducing the issue on more than one Python version
and/or implementation. - I have tried reproducing the issue on more than one message broker and/or
result backend. - I have tried reproducing the issue on more than one version of the message
broker and/or result backend. - I have tried reproducing the issue on more than one operating system.
- I have tried reproducing the issue on more than one workers pool.
- I have tried reproducing the issue with autoscaling, retries,
ETA/Countdown & rate limits disabled. - I have tried reproducing the issue after downgrading
and/or upgrading Celery and its dependencies.
Related Issues and Possible Duplicates
Related Issues
- None
Possible Duplicates
- None
Environment & Settings
Celery version: 5.4.0rc1
celery report Output:
software -> celery:5.4.0rc1 (opalescent) kombu:5.3.5 py:3.11.8
billiard:4.2.0 memory:N/A
platform -> system:Windows arch:64bit, WindowsPE
kernel version:10 imp:CPython
loader -> celery.loaders.app.AppLoader
settings -> transport:memory results:cache+memory:///
broker_url: 'memory://localhost//'
broker_backend: 'memory:///'
result_backend: 'cache+memory:///'
deprecated_settings: None
Steps to Reproduce
import celery
celery_app = celery.Celery()
celery_app.config_from_object({
'broker_url': 'memory://',
'broker_backend': 'memory://',
'result_backend': 'cache+memory://'
})
@celery.shared_task
def test_task(x: int):
print(x)
def main():
t1 = celery.chain(test_task.s(0), celery.group(test_task.s(1), test_task.s(2)), test_task.s(3) | test_task.s(4))
t2 = celery.chord([test_task.s(5), test_task.s(6)], t1)
t3 = celery.chord([test_task.s(7)], t2)
t3.apply_async()
if __name__ == '__main__':
main()Required Dependencies
- Minimal Python Version:
3.9 / 3.11 - Minimal Celery Version:
5.3.1 / 5.3.4 / 5.3.6 / 5.4.0rc1 - Minimal Kombu Version: N/A or Unknown
- Minimal Broker Version: N/A or Unknown
- Minimal Result Backend Version: N/A or Unknown
- Minimal OS and/or Kernel Version:
Windows 11 / MacOS / Linux - Minimal Broker Client Version: N/A or Unknown
- Minimal Result Backend Client Version: N/A or Unknown
Python Packages
pip freeze Output:
amqp==5.2.0
billiard==4.2.0
-e git+https://github.com/celery/celery.git@9edeab6b4526a59bf699df10f1b48ac65809eaea#egg=celery
click==8.1.7
click-didyoumean==0.3.0
click-plugins==1.1.1
click-repl==0.3.0
colorama==0.4.6
kombu==5.3.5
prompt-toolkit==3.0.43
python-dateutil==2.9.0.post0
six==1.16.0
tzdata==2024.1
vine==5.1.0
wcwidth==0.2.13
Other Dependencies
Details
N/A
Minimally Reproducible Test Case
Same as "Steps to Reproduce"
Expected Behavior
The code runs successfully
Actual Behavior
Traceback (most recent call last):
File "scratch.py", line 20, in <module>
t3.apply_async()
File "C:\git\celery\celery\canvas.py", line 2152, in apply_async
return self.run(tasks, body, args, task_id=task_id, kwargs=kwargs, **merged_options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\git\celery\celery\canvas.py", line 2233, in run
bodyres = body.freeze(task_id, root_id=root_id)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\git\celery\celery\canvas.py", line 2093, in freeze
raise RuntimeError('Recursive result parents')
RuntimeError: Recursive result parents
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