celery AttributeError: 'str' object has no attribute 'items' django Day14

最新推荐文章于 2022-08-02 23:22:22 发布

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使用Celery结合Redis实现邮件发送功能，解决因Redis版本过高导致的错误。通过降级Redis版本至2.10.6，成功修复AttributeError异常，实现任务队列中邮件的正常发送。

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用celery实现发送邮件的功能，用redis作为中间人。

可以正常启动celery，但是一旦用celery发送邮件，就会报错并退出：

[2018-12-28 13:49:14,636: ERROR/MainProcess] Unrecoverable error: AttributeError("'str' object has no attribute 'items'",)
Traceback (most recent call last):
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/worker/__init__.py", line 206, in start
    self.blueprint.start(self)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/bootsteps.py", line 123, in start
    step.start(parent)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/bootsteps.py", line 374, in start
    return self.obj.start()
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/worker/consumer.py", line 280, in start
    blueprint.start(self)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/bootsteps.py", line 123, in start
    step.start(parent)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/worker/consumer.py", line 884, in start
    c.loop(*c.loop_args())
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/celery/worker/loops.py", line 76, in asynloop
    next(loop)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/kombu/async/hub.py", line 340, in create_loop
    cb(*cbargs)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/kombu/transport/redis.py", line 1019, in on_readable
    self._callbacks[queue](message)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/kombu/transport/virtual/__init__.py", line 534, in _callback
    self.qos.append(message, message.delivery_tag)
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/kombu/transport/redis.py", line 146, in append
    pipe.zadd(self.unacked_index_key, delivery_tag, time()) \
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/redis/client.py", line 2263, in zadd
    for pair in iteritems(mapping):
  File "/home/python/.virtualenvs/django_class/lib/python3.5/site-packages/redis/_compat.py", line 123, in iteritems
    return iter(x.items())
AttributeError: 'str' object has no attribute 'items'

查了好久发现原来是因为以前下的redis版本过高（ 3.0.1 ），重装redis