Thanks Derek,

But seems this bug in the url you`d posted is related to ftplib and in my 
case there are no connections to ftp`s or any other network socket.

It is only a web2py running local... and seems there are some limitations 
on the response size before it is sent to browser, some rocket limitation 
or as you said some python lib limitation in OS X.

:(



On Monday, October 27, 2014 9:33:12 PM UTC-2, Derek wrote:
>
> I stole this answer from stackoverflow...
>
>
> Your server process has received a SIGPIPE writing to a socket. This 
> usually happens when you write to a socket fully closed on the other 
> (client) side. This might be happening when a client program doesn't wait 
> till all the data from the server is received and simply closes a socket 
> (using close function).
>
> In a C program you would normally try setting to ignore SIGPIPE signal or 
> setting a dummy signal handler for it. In this case a simple error will be 
> returned when writing to a closed socket. In your case a python seems to 
> throw an exception that can be handled as a premature disconnect of the 
> client.
> In any case, here's the issue as it relates to OSX and Python...
>
> http://bugs.python.org/issue8493
>
>
> On Monday, October 27, 2014 12:38:02 PM UTC-7, André Kablu wrote:
>>
>> Hi all,
>>
>> Anyone can tell me if there are any limitations on response buffer size?
>>
>> I created a proccess that generates 6000  lines, when I try to output 
>> them to browser1 i got the error from Rocket:
>>
>> File "/web2py/gluon/rocket.py", line 152, in _sendall_darwin
>> sent = self.socket.send(buf[offset:])
>>
>> error: [Errno 32] Broken pipe
>>
>> If I try to print 1000 by 1000 it goes smooth....
>>
>> So I think there may be some limitations on this
>>
>> I am using a MAC OS X w/ 12GB mem
>>
>

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