我有一个非常标准的flask-socket.io应用程序：
server：eventlet我使用以下命令启动应用程序：socketio.run（app，host ='0.0.0.0'）
经常但并不总是我有某种超时：
Traceback (most recent call last):
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/wsgi.py", line 507, in handle_one_response
result = self.application(self.environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/flask/app.py", line 1997, in __call__
return self.wsgi_app(environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/flask_socketio/__init__.py", line 42, in __call__
start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/middleware.py", line 47, in __call__
return self.engineio_app.handle_request(environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/socketio/server.py", line 360, in handle_request
return self.eio.handle_request(environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/server.py", line 267, in handle_request
environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/socket.py", line 89, in handle_get_request
start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/socket.py", line 130, in _upgrade_websocket
return ws(environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/async_eventlet.py", line 19, in __call__
return super(WebSocketWSGI, self).__call__(environ, start_response)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/websocket.py", line 127, in __call__
self.handler(ws)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/engineio/socket.py", line 155, in _websocket_handler
pkt = ws.wait()
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/websocket.py", line 633, in wait
for i in self.iterator:
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/websocket.py", line 503, in _iter_frames
message = self._recv_frame(message=fragmented_message)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/websocket.py", line 526, in _recv_frame
header = recv(2)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/websocket.py", line 442, in _get_bytes
d = self.socket.recv(numbytes - len(data))
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/greenio/base.py", line 360, in recv
return self._recv_loop(self.fd.recv, b'', bufsize, flags)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/greenio/base.py", line 354, in _recv_loop
self._read_trampoline()
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/greenio/base.py", line 325, in _read_trampoline
timeout_exc=socket_timeout('timed out'))
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/greenio/base.py", line 207, in _trampoline
mark_as_closed=self._mark_as_closed)
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/hubs/__init__.py", line 163, in trampoline
return hub.switch()
File "/projects/ici_chat_prototype01/env/lib/python3.5/site-packages/eventlet/hubs/hub.py", line 295, in switch
return self.greenlet.switch()
socket.timeout: timed out
我无法解释这个追溯。有人在flask-socket.io有经验的人可以帮忙吗？
我没有发布任何代码，因为我不知道从哪里开始。回溯中的所有文件都来自已安装的模块。
编辑：我有关于socket.io请求的更多信息。在上述异常之后，将记录以下请求：
127.0.0.1 - - [04/Jan/2018 10:10:51] "GET /socket.io/?EIO=3&transport=websocket&sid=f93955151a3a4576b2e96427cc27121e HTTP/1.1" 500 0 60.061493
127.0.0.1 - - [04/Jan/2018 10:10:51] "GET /socket.io/?EIO=3&transport=polling&t=1515056991349-3&sid=f93955151a3a4576b2e96427cc27121e HTTP/1.1" 400 218 60.001593
127.0.0.1 - - [04/Jan/2018 10:10:52] "GET /socket.io/?EIO=3&transport=polling&t=1515057052758-4 HTTP/1.1" 200 381 0.000875
(12472) accepted ('127.0.0.1', 39520)
127.0.0.1 - - [04/Jan/2018 10:10:52] "POST /socket.io/?EIO=3&transport=polling&t=1515057052767-5&sid=10663b1e21e6492b81b5455ebc805408 HTTP/1.1" 200 219 0.001145
如果要切换调试模式，可以使用socketio.run(app, host='0.0.0.0', port=5000, debug=True)。
然后你可以看看socket.io official documentation website，尤其是client-api和server-api。因为在the httpsserver-options （对于javascript）的server-api部分，你可以看到运行服务器时有一些选项，如：
pingInterval: 10000,
pingTimeout: 5000,
我希望当你使用socketio.run(app, host='0.0.0.0', port=5000, debug=True,pingInterval = 10000, pingTimeout= 5000)运行服务器时，这些参数可以重新用作kwargs
在flask-socketio文档中，在“错误处理”部分，有一些很好的提示，以deal with exceptions
你可以添加类似的东西
@socketio.on_error_default # handles all namespaces without an explicit error handler
def default_error_handler(e):
pass
另一个提示可能是调整此先前的error_handler以解决超时问题，并在触发此事件时重新运行服务器。
您可能还会注意到：
还可以使用request.event变量检查当前请求的消息和数据参数，这对于事件处理程序外部的错误记录和调试很有用。
您还可以使用以下代码来处理最终的socket.timeout：超时错误：
try:
socketio.run(app,...
except socket.error as socketerror:
print("Error: ", socketerror)