Socket error processing request with flask, gunicorn

[lucusfly]

Socket error processing request.
Traceback (most recent call last):
File "/opt/python27/lib/python2.7/site-packages/gunicorn/workers/base_async.py", line 66, in handle
six.reraise(*sys.exc_info())
File "/opt/python27/lib/python2.7/site-packages/gunicorn/workers/base_async.py", line 56, in handle
self.handle_request(listener_name, req, client, addr)
File "/opt/python27/lib/python2.7/site-packages/gunicorn/workers/ggevent.py", line 160, in handle_request
addr)
File "/opt/python27/lib/python2.7/site-packages/gunicorn/workers/base_async.py", line 129, in handle_request
six.reraise(*sys.exc_info())
File "/opt/python27/lib/python2.7/site-packages/gunicorn/workers/base_async.py", line 115, in handle_request
resp.write(item)
File "/opt/python27/lib/python2.7/site-packages/gunicorn/http/wsgi.py", line 353, in write
util.write(self.sock, arg, self.chunked)
File "/opt/python27/lib/python2.7/site-packages/gunicorn/util.py", line 304, in write
sock.sendall(data)
File "/opt/python27/lib/python2.7/site-packages/gevent/_socket2.py", line 419, in sendall
timeleft = self.__send_chunk(chunk, flags, timeleft, end)
File "/opt/python27/lib/python2.7/site-packages/gevent/_socket2.py", line 355, in __send_chunk
data_sent += self.send(chunk, flags)
File "/opt/python27/lib/python2.7/site-packages/gevent/_socket2.py", line 330, in send
return sock.send(data, flags)
error: [Errno 110] Connection timed out

[miguelgrinberg]

Without any context I cannot tell you what's wrong. Do you have an example app that reproduces this error?