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  • Celery提交任务出错?

    跟着官方的入门教程部署和运行的,为啥报这个错?

    tasks.py

    # -*- encoding:UTF-8 -*-
    
    from celery import Celery
    
    brokers = 'redis://localhost:6379'
    backend = 'redis://localhost:6379'
    
    app = Celery('tasks', broker=brokers, backend=backend)
    app.control.purge()
    
    
    @app.task
    def add(x, y):
        return x + y

    >>> from tasks import add
    >>> add.delay(6,6)
    <AsyncResult: e1b8521e-e8a1-4431-8232-b0cbe7a35e9e>
     
    [2017-08-08 19:14:32,580: ERROR/MainProcess] Task handler raised error: ValueErr
    or('not enough values to unpack (expected 3, got 0)',)
    Traceback (most recent call last):
      File "c:python352libsite-packagesilliardpool.py", line 358, in workloop
        result = (True, prepare_result(fun(*args, **kwargs)))
      File "c:python352libsite-packagesceleryapp	race.py", line 525, in _fast_
    trace_task
        tasks, accept, hostname = _loc
    ValueError: not enough values to unpack (expected 3, got 0)
    [2017-08-08 19:15:46,049: ERROR/MainProcess] Task handler raised error: ValueErr
    or('not enough values to unpack (expected 3, got 0)',)
    Traceback (most recent call last):
      File "c:python352libsite-packagesilliardpool.py", line 358, in workloop
        result = (True, prepare_result(fun(*args, **kwargs)))
      File "c:python352libsite-packagesceleryapp	race.py", line 525, in _fast_
    trace_task
        tasks, accept, hostname = _loc
    ValueError: not enough values to unpack (expected 3, got 0)

    解决方案:celery -A your_app_name worker --pool=solo -l info 换这个试试

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  • 原文地址:https://www.cnblogs.com/yunlongaimeng/p/10291548.html
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