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

[Matey Chopov]

Hi Thomas,

Here is the info requested.

hg parent:
changeset:   7254:e71216a16853
tag:         tip
user:        Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
date:        Wed May 16 21:20:40 2018 +0200
summary:     docs: reorganize index page

pip freeze: There are a lot of packages so I pasted them on pastebin to keep the email chain clean:  https://pastebin.com/Edr8FTmv

I installed the rabbitmq server from  the Ubuntu packages with apt. The version is: RabbitMQ 3.5.7

I am running it on Ubuntu Server 16.04.5 LTS

I just saw on the rabbitmq web page that there is a more recent version which is 3.7.7, so I will make a new clean install of Kallithea and try again, but this time I will get the package directly from the rabbitmq website.

Hi Mads, what version of RabbitMQ are you using?

Thanks,

Mat


From: Thomas De Schampheleire [mailto:patrickdepinguin at gmail.com]
Sent: Sunday, August 05, 2018 2:00 PM
To: Matey Chopov <matey.chopov at ca.abb.com>
Cc: kallithea-general at sfconservancy.org
Subject: Re: Kallithea 0.3.99, Celery, Rabbitmq DisabledBackend object has no attribute '_get_task_meta_for'

On Sun, Aug 5, 2018, 16:12 Thomas De Schampheleire <patrickdepinguin at gmail.com<mailto:patrickdepinguin at gmail.com>> wrote:
Hi Mat,

2018-08-03 22:41 GMT+02:00 Matey Chopov <matey.chopov at ca.abb.com<mailto:matey.chopov at ca.abb.com>>:
> 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<https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpastebin.com%2FgSK4VG20&data=02%7C01%7Cmatey.chopov%40ca.abb.com%7Ce873048903f248fe969e08d5fafd590c%7C372ee9e09ce04033a64ac07073a91ecd%7C0%7C0%7C636690888380841939&sdata=Td73D9H0QTL9mj0RPEqaI7GahVZShek5vE88I7E8wD0%3D&reserved=0>
>
>
>
> 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?
>


I haven't seen this issue before.
Which exact version of Kallithea are you using, could you obtain the
Mercurial revision, using 'hg version' from the Kallithea source
directory?

Sorry, I meant 'hg parent' rather than 'hg version'.


Could you post the contents of 'pip freeze' too, to see the versions
of celery etc.

Which version of rabbitmq are you using?

Best regards,
Thomas
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