ValueError: not enough values to unpack (expected 3, got 0)

[renoyuan]

when i try execute func of firt celery func tast ,error founhd!!!!!!

my system win11
Python 3.11.5
celery==5.3.6
broker redis

celery_app.py

from celery import Celery
import time
app = Celery('celery_task')
app.conf.broker_url = 'redis://192.168.1.139:6380/0'
@app.task
def hello():
print("hello world ")
time.sleep(10)
return

test.py

from celery_app import hello
task = hello.delay()

print(task)

---

[2024-03-22 17:44:48,856: ERROR/MainProcess] Task handler raised error: ValueError('not enough values to unpack (expected 3, got 0)')
billiard.einfo.RemoteTraceback:
"""
Traceback (most recent call last):
File "C:\Users\renoy\anaconda3\envs\idp_backend\Lib\site-packages\billiard\pool.py", line 361, in workloop
result = (True, prepare_result(fun(*args, **kwargs)))
^^^^^^^^^^^^^^^^^^^^
File "C:\Users\renoy\anaconda3\envs\idp_backend\Lib\site-packages\celery\app\trace.py", line 667, in fast_trace_task
tasks, accept, hostname = _loc
^^^^^^^^^^^^^^^^^^^^^^^
ValueError: not enough values to unpack (expected 3, got 0)
"""

The above exception was the direct cause of the following exception:

[Abdulhadu]

I have the same issue as above mentioned
Can anyone help me?

[shengrihui]

Have you resolved this issue?

[renoyuan]

Have you resolved this issue?
no, but i try use ubuntu system , It didn't happen.

[shengrihui]

Have you resolved this issue?
no, but i try use ubuntu system , It didn't happen.

这篇文章里有提到，在Windows需要使用-P eventlet启动。刚才试了一下，可以正常运行。

[renoyuan]

666666