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停止生產中的「連線被拒絕」錯誤

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停止生產中的「連線被拒絕」錯誤

我最近開始收到在生產中抓取我的網站的error: [Errno 111] Connection refused錯誤。http://yandex.com/bots我不介意他們正在抓取該網站，但不想收到這些電子郵件。

我的預感是他們被拒絕，因為他們正在使用http和移植，80而我的網站需要https。在這種情況下，他們被拒絕是件好事。但是，我不確定為什麼會收到這些錯誤（自上週以來每天 4-5 次）。

關於如何阻止這些錯誤有什麼想法嗎？我正在使用 Python 2.7、Heroku 和 Cloudflare。

Internal Server Error: /team/46/
Traceback (most recent call last):
  File "/app/.heroku/python/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/app/.heroku/python/lib/python2.7/site-packages/newrelic/hooks/framework_django.py", line 544, in wrapper
    return wrapped(*args, **kwargs)
  File "/app/wehealth/wehealth/utils.py", line 121, in __render_with
    d = f(request, *args, **kwargs)
  File "/app/wehealth/users/views.py", line 737, in team
    team = get_group(team, team_id, team_key)
  File "/app/wehealth/wehealth/utils.py", line 770, in get_group
    group = get_group_goals(group)
  File "/app/wehealth/wehealth/utils.py", line 786, in get_group_goals
    createGoal2Group.delay(group['info'], g)
  File "/app/.heroku/python/lib/python2.7/site-packages/celery/app/task.py", line 453, in delay
    return self.apply_async(args, kwargs)
  File "/app/.heroku/python/lib/python2.7/site-packages/celery/app/task.py", line 565, in apply_async
    **dict(self._get_exec_options(), **options)
  File "/app/.heroku/python/lib/python2.7/site-packages/celery/app/base.py", line 354, in send_task
    reply_to=reply_to or self.oid, **options
  File "/app/.heroku/python/lib/python2.7/site-packages/celery/app/amqp.py", line 305, in publish_task
    **kwargs
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/messaging.py", line 172, in publish
    routing_key, mandatory, immediate, exchange, declare)
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/connection.py", line 470, in _ensured
    interval_max)
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/connection.py", line 382, in ensure_connection
    interval_start, interval_step, interval_max, callback)
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/utils/__init__.py", line 246, in retry_over_time
    return fun(*args, **kwargs)
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/connection.py", line 250, in connect
    return self.connection
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/connection.py", line 756, in connection
    self._connection = self._establish_connection()
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/connection.py", line 711, in _establish_connection
    conn = self.transport.establish_connection()
  File "/app/.heroku/python/lib/python2.7/site-packages/kombu/transport/pyamqp.py", line 116, in establish_connection
    conn = self.Connection(**opts)
  File "/app/.heroku/python/lib/python2.7/site-packages/amqp/connection.py", line 165, in __init__
    self.transport = self.Transport(host, connect_timeout, ssl)
  File "/app/.heroku/python/lib/python2.7/site-packages/amqp/connection.py", line 186, in Transport
    return create_transport(host, connect_timeout, ssl)
  File "/app/.heroku/python/lib/python2.7/site-packages/amqp/transport.py", line 299, in create_transport
    return TCPTransport(host, connect_timeout)
  File "/app/.heroku/python/lib/python2.7/site-packages/amqp/transport.py", line 95, in __init__
    raise socket.error(last_err)
error: [Errno 111] Connection refused

Request repr(): 
<WSGIRequest
path:/team/46/,
GET:<QueryDict: {}>,
POST:<QueryDict: {}>,
COOKIES:{},
META:{u'CSRF_COOKIE': u'y8sR9HccmrzW8RaYDQwmalvKiRl2E6DK',
 'HTTP_ACCEPT': '*/*',
 'HTTP_ACCEPT_ENCODING': 'gzip,deflate',
 'HTTP_CONNECTION': 'close',
 'HTTP_CONNECT_TIME': '0',
 'HTTP_FROM': '[email protected]',
 'HTTP_HOST': 'wehealth.herokuapp.com',
 'HTTP_TOTAL_ROUTE_TIME': '0',
 'HTTP_USER_AGENT': 'Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)',
 'HTTP_VIA': '1.1 vegur',
 'HTTP_X_FORWARDED_FOR': '77.88.47.24, 10.33.252.175',
 'HTTP_X_FORWARDED_PORT': '80',
 'HTTP_X_FORWARDED_PROTO': 'http',
 'HTTP_X_REQUEST_ID': 'a0a5b07f-b6be-40ec-b04a-81690188d0b4',
 'HTTP_X_REQUEST_START': '1558372953380',
 'PATH_INFO': u'/team/46/',
 'QUERY_STRING': '',
 'REMOTE_ADDR': 'localhost',
 'REQUEST_METHOD': 'GET',
 'SCRIPT_NAME': u'',
 'SERVER_NAME': 'unix',
 'SERVER_PORT': '/tmp/nginx.socket',
 'SERVER_PROTOCOL': 'HTTP/1.0',
 'SERVER_SOFTWARE': 'waitress',
 'wsgi.errors': <open file '<stderr>', mode 'w' at 0x7fc4b5d041e0>,
 'wsgi.file_wrapper': <class 'waitress.buffers.ReadOnlyFileBasedBuffer'>,
 'wsgi.input': <newrelic.api.wsgi_application._WSGIInputWrapper object at 0x7fc4857e7310>,
 'wsgi.multiprocess': False,
 'wsgi.multithread': True,
 'wsgi.run_once': False,
 'wsgi.url_scheme': 'http',
 'wsgi.version': (1, 0)}>

更新 因為看來是我自己的應用程式導致了錯誤。以下是與錯誤關聯的非同步任務中的程式碼：

@shared_task
def createGoal2Group(group, goal):
    # "Create a Goal2Group link if user completes goal for first time"
    goal2group = Goal2Group.objects.get_or_create(group=group, goal=goal)

答案1

不，這些事情的作用與你想像的相反。您看到「連線被拒絕」的唯一時間是你連接到另一台伺服器。

（如果您的伺服器不接受 HTTP 連接，則客戶（即 Yandex 機器人）將是從伺服器收到「連線被拒絕」錯誤的機器人 –不是你的網頁應用程式。另外，網頁應用程式甚至不會先處理連線——這是 Heroku 網路伺服器的工作。

仔細看看你的 Python 堆疊追蹤：它從wehealth.utils.get_group()「celery」非同步任務套件開始，然後到「amqp」訊息傳遞客戶端，最終從 amqp.transport 中報告錯誤。換句話說，您的應用程式無法到達 AMQP 伺服器。

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