[英]pika rabbitmq python 3.6
I am trying to use pika to connect with rabbitmq我正在尝试使用 pika 连接rabbitmq
def get_connection():
credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
connection = pika.BlockingConnection(pika.ConnectionParameters(MQ_SERVER, 5672, '/', credentials))
return connection
I can use those credentials with rabbitmqctl, the output is something like this:我可以将这些凭据与 rabbitmqctl 一起使用,输出如下所示:
# rabbitmqctl authenticate_user user pass
Authenticating user "user" ...
Success
I have also tried to just use strings with the values inside the function and get the same error.我还尝试仅使用带有函数内部值的字符串并得到相同的错误。 I also have telnet access on the rabbitmq port and the user has access to the channel.
我还可以在 rabbitmq 端口上进行 telnet 访问,并且用户可以访问该频道。
When execute the python code I get this error:执行python代码时出现此错误:
Internal Server Error: /api/analysis/stream/finish/
Traceback (most recent call last):
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/path/to/api/core/views.py", line 2465, in record_finsh
inform_process(video.filename)
File "/path/to/api/core/views.py", line 702, in inform_process
con = get_connection()
File "/path/to/api/base/rabitmq.py", line 7, in get_connection
connection = pika.BlockingConnection(pika.ConnectionParameters(host=MQ_SERVER, port=5672, virtual_host='/', credentials=credentials))
File "/path/to/api/venv/lib/python3.6/site-packages/pika/adapters/blocking_connection.py", line 360, in __init__
self._impl = self._create_connection(parameters, _impl_class)
File "/path/to/api/venv/lib/python3.6/site-packages/pika/adapters/blocking_connection.py", line 451, in _create_connection
raise self._reap_last_connection_workflow_error(error)
pika.exceptions.AMQPConnectionError
It looks to me like something happens on this line credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
even when the error in on the next line.在我
credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
即使在下一行出现错误时,这行credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
发生一些事情credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
。 What does this function do exactly?这个函数具体是做什么的? Any ideas of what I am doing wrong?
关于我做错了什么的任何想法?
EDIT: I said I think the error is on this line credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
because if I add something like:编辑:我说我认为错误是在这行
credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
因为如果我添加如下内容:
def get_connection():
credentials = pika.PlainCredentials(MQ_USER, MQ_PASS)
exit()
connection = pika.BlockingConnection(pika.ConnectionParameters(MQ_SERVER, 5672, '/', credentials))
return connection
I still get more or less the same error:我仍然或多或少地遇到相同的错误:
Internal Server Error: /api/analysis/stream/finish/
Traceback (most recent call last):
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/path/to/api/venv/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/path/to/api/core/views.py", line 2465, in record_finsh
inform_process(video.filename)
File "/path/to/api/core/views.py", line 702, in inform_process
con = get_connection()
File "/path/to/api/base/rabitmq.py", line 7, in get_connection
return 0
File "/path/to/api/venv/lib/python3.6/site-packages/pika/adapters/blocking_connection.py", line 360, in __init__
self._impl = self._create_connection(parameters, _impl_class)
File "/path/to/api/venv/lib/python3.6/site-packages/pika/adapters/blocking_connection.py", line 451, in _create_connection
raise self._reap_last_connection_workflow_error(error)
pika.exceptions.AMQPConnectionError
Because of this I also tried replacing with actual values like credentials = pika.PlainCredentials('user', 'mq@pass')
and also get the same result.因此,我还尝试用实际值替换,如
credentials = pika.PlainCredentials('user', 'mq@pass')
并得到相同的结果。
EDIT2: Answering to the comments bellow. EDIT2:回答下面的评论。
def get_connection():
credentials = pika.PlainCredentials('user', 'mq@passwd')
connection = pika.BlockingConnection(pika.ConnectionParameters('172.x.y.z', 5672, '/', credentials))
return connection
Returns the same issue.返回相同的问题。 Rabbit MQ runs on remote IP.
Rabbit MQ 在远程 IP 上运行。 I already tested and I can telnet to the IP.
我已经测试过了,我可以 telnet 到 IP。
pika.exceptions.AMQPConnectionError
is raised when the host
is not reachable by pika.当 pika 无法访问
host
时,会引发pika.exceptions.AMQPConnectionError
。
In case of invalid credentials, pika raises:如果凭据无效,pika 会引发:
pika.exceptions.ConnectionClosedByBroker: (403, 'ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile.')
for invalid virtual host:对于无效的虚拟主机:
pika.exceptions.ConnectionClosedByBroker: (530, 'NOT_ALLOWED - vhost / not found')
Check if the host
or port
value provided is valid.检查提供的
host
或port
值是否有效。
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