I updated today to the latest Celery release (2.5.5). I'm using celery with Django-celery (2.5.5) and RabbitMQ.
For some reason, the Celery-cam process is not working anymore. It seems that the 'celeryd.pidbox' exchange is not defined correctly there.
On the RabbitMQ server I'm gettings:
"cannot redeclare exchange 'celeryd.pidbox' in vhost 'myhost' with different type, durable, internal or autodelete value",
On the cam server, I'm getting:
SchedulingError: Couldn't apply scheduled task update-aggregates: 'NoneType' object has no attribute 'method_writer'
(Googling it seems to point to the same issue of mismatching definitions)
I should point out that I have many celeryd servers and one beat server, all working happily.
To be on the safe side, I completely erased the RabbitMQ mnesia directory and recreated my vhost from scratch. Still same problem.
Is it a bug? Am I missing something on my end.
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