【问题标题】:celery can't connect to rabbitmq - unexpected method received芹菜无法连接到rabbitmq - 收到意外的方法
【发布时间】:2014-11-06 18:31:53
【问题描述】:

我正在尝试让我的 celery 守护程序在 rackspace 上的 Ubuntu 机器上运行,但我无法将 celery 与 rabbitmq 连接起来。在我的 Mac 上,使用默认的 rabbitmq 设置(BROKER_URL = 'amqp://')一切正常,但在生产服务器上,我无法让 celery 与 rabbitmq 对话。

这就是我所做的:

$ sudo rabbitmqctl add_user celeryuser celerypassword
$ sudo rabbitmqctl add_vhost celeryhost
$ sudo rabbitmqctl set_permissions -p celeryhost celeryuser ".*" ".*" ".*"

遵循here的指示

celeryconfig.py 中,我使用上面的配置定义了代理 url

BROKER_URL = 'amqp://celeryuser:celerypassword@localhost:5672/celeryhost'

并在celery_app.py 中加载上述配置:

app.config_from_object('proj.celeryconfig')

但是,当我尝试使用以下方式启动 celery worker 时:

celery worker --app=proj.celery_app

我收到以下错误:

-------------- celery@app1 v3.1.13 (Cipater)
---- **** ----- 
--- * ***  * -- Linux-2.6.32-64-server-x86_64-with-Ubuntu-10.04-lucid
-- * - **** --- 
- ** ---------- [config]
- ** ---------- .> app:         proj:0x29e9850
- ** ---------- .> transport:   amqp://celeryuser:**@localhost:5672/celeryhost
- ** ---------- .> results:     amqp
- *** --- * --- .> concurrency: 4 (prefork)
-- ******* ---- 
--- ***** ----- [queues]
-------------- .> celery           exchange=celery(direct) key=celery


[2014-09-12 09:28:00,266: ERROR/MainProcess] consumer: Cannot connect to amqp://celeryuser:**@localhost:5672/celeryhost: Couldn't log in: unexpected method received.
Trying again in 2.00 seconds...

我检查了rabbitmq服务器是否正在运行:

$ sudo rabbitmqctl status

结果是:

Status of node rabbit@app1 ...
[{running_applications,[{rabbit,"RabbitMQ","1.7.2"},
                        {mnesia,"MNESIA  CXC 138 12","4.4.12"},
                        {os_mon,"CPO  CXC 138 46","2.2.4"},
                        {sasl,"SASL  CXC 138 11","2.1.8"},
                        {stdlib,"ERTS  CXC 138 10","1.16.4"},
                        {kernel,"ERTS  CXC 138 10","2.13.4"}]},
 {nodes,[rabbit@app1]},
 {running_nodes,[rabbit@app1]}]
...done.

【问题讨论】:

    标签: rabbitmq celery


    【解决方案1】:

    发生这种情况是因为 ubuntu 服务器安装了旧版本的 rabbitmq,然后我在我的开发机器上安装了。

    当我查看 rabbitmq worker 的状态时我意识到.. 版本说明:

    {rabbit,"RabbitMQ","1.7.2"},
    

    但在我的本地我有

    {rabbit,"RabbitMQ","3.3.4"},
    

    我在ubuntu上更新了rabbitmq服务器的版本,并设置了和上面一样的权限,以this帖子为指导

    现在我可以在生产机器上成功启动 celery worker。

    【讨论】:

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