IMHO the problem is winsock.

On Friday, June 17, 2016 at 11:25:30 PM UTC+2, Dave S wrote:
>
> On Friday, June 17, 2016 at 7:34:18 AM UTC-7, Niphlod wrote:
>>
>> how can it be a rocket issue when the variable is the client and not the 
>> server ?
>>
>
> By not handling a common error condition?  By setting the timeout too 
> long?    Not requiring a keep-alive (aka heartbeat) on an open-but-quiet 
> connection?
>
> I haven't tried running a trace from either end, so I don't know what is 
> happening with the handshakes other than that the connection gets 
> established, and  a long time after the client is done, we get the above.
>
> /dps
>
>  
>
>>
>> On Friday, June 17, 2016 at 1:36:29 AM UTC+2, Dave S wrote:
>>>
>>> I'm a bad boy and still using the Rocket server that comes with web2py.  
>>> Today I ran into an interesting case.  My client code sends a dump file to 
>>> the server using a POST command.  On linux systems, this completes in a 
>>> reasonable amount of time, gets the result (json string), and both sides 
>>> are happy.  On several Windows systems, the client reports all done, and is 
>>> happy, but the server logs don't have anything and the file doesn't show 
>>> up.  [tick tick tick ... time passes] Oh, yes there is something!  
>>> Everything now looks good, except that web2py.log has this from Rocket:
>>>
>>> 2016-06-16 22:10:34,846 - Rocket.Errors.Thread-5 - ERROR - Unhandled 
>>> Error when serving connection:
>>> Traceback (most recent call last):
>>>
>>>   File "/home/ec2-user/web2py/web2py-2.14.6/gluon/rocket.py", line 1337, 
>>> in run
>>>     self.run_app(conn)
>>>   File "/home/ec2-user/web2py/web2py-2.14.6/gluon/rocket.py", line 1851, 
>>> in run_app
>>>     self.write(data, sections)
>>>   File "/home/ec2-user/web2py/web2py-2.14.6/gluon/rocket.py", line 1766, 
>>> in write
>>>     self.send_headers(data, sections)
>>>   File "/home/ec2-user/web2py/web2py-2.14.6/gluon/rocket.py", line 1750, 
>>> in send_headers
>>>     self.conn.sendall(b(header_data))
>>>   File "/usr/lib64/python2.7/socket.py", line 228, in meth
>>>     return getattr(self._sock,name)(*args)
>>> error: [Errno 32] Broken pipe
>>>
>>>
>>> Timeout seems to be on the order of an hour.  Linux client code uses 
>>> libcurl, and Windows client code uses Winsock.
>>> The above clip is from web2py-2.14.6 running on an AWS server, from the 
>>> zip file which has Rocket 1.2.6.
>>>
>>> Is this an issue with Rocket, or with Winsock, or each playing to the 
>>> other's weakness?  When I finally move to nginx, will these errors go away?
>>>
>>> /dps
>>>
>>>

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