Kallithea 0.3.99, Celery, Rabbitmq DisabledBackend object has no attribute '_get_task_meta_for'

[Matey Chopov]

Hi guys,

We decided recently to implement on our Kallithea 0.3.99 test instance celery and rabbitmq.

Everything seems to work fine, as celery is able to connect to the rabbitmq server, but there's one issue that I cannot resolve for some reason.

When Celery is enabled in the Kallithea my.ini file and we create a new repo via the Kallithea web interface we get to the "Repository is being created" page, but then we get the following error message:
"We're sorry but error occurred during this operation ..."

The repository is being created even when the Kallithea web interface throws that error and it does work fine after, but in the Kallithea log I get a trace exception :

"AttributeError: 'DisabledBackend' object has no attribute '_get_task_meta_for'

I have uploaded the full trace on pastebin here: https://pastebin.com/gSK4VG20

I read that it may be related to how the rabbitmq server is configured, so I messed with it, but couldn't still resolve the issue.

We are running a default install of Kallithea 0.3.99 with sqlite and waitress.

My Celery config in the my.ini file is the following:
------------------------------------------------------------------------

use_celery = true
celeryd.log.level = DEBUG
celeryd.log.file = /mnt/data/celeryd.log
## Example: connect to the virtual host 'rabbitmqhost' on localhost as rabbitmq:

broker.url = amqp://kallithea:kallitheapass@localhost:5672/vkallithea
celery.imports = kallithea.lib.celerylib.tasks
celery.accept.content = pickle
celery.result.backend = amqp
celery.result.dburi = amqp://
celery.result.serialier = json

#celery.send.task.error.emails = true
#celery.amqp.task.result.expires = 18000

celeryd.concurrency = 2
celeryd.max.tasks.per.child = 1

## If true, tasks will never be sent to the queue, but executed locally instead.
celery.always.eager = false

----------------------------------------------------------

Would you have any clue what could be the issue here?

Thanks,

Mat


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