[Zope] Win32, Zope and FTP

[toman]

joseph toman wrote:
> Dieter Maurer wrote:
> 
>> toman writes:
>> > I'm trying to put together a collaboration app that allows users to 
>> > share large datasets. When I ftp the data, which has numerous folders
>> > and large (~100Meg) and small files in them, to a Zope 2.6.0 server
>> > running on Windows XP, it will transfer many but not all of the > 
>> datasets. Then if I try to make another object, say a folder, through 
>> > ftp or the management screens, the server hangs.
>> Maybe, your FTP client forgets to close connections.
>>
>>  After some time, Zope will have no more file descriptors
>>  to accept further requests.
>>
>> > The same test on a > Linux box running Mandrake 8.something doesn't 
>> show this problem at all.
>> With the same FTP client?
>>  
>>
> Yes, the client was WSFTP_LE. Further tests had the same results when 
> moving 4  ~15MB files via WebDAV. The server on the XP box hung
> and none of the files were moved. The client was the built in Web 
> folders on Win2K. With the same client the Zope server on the linux box  
> received the files
> fine. I ran a Zope server on my Windows Me laptop and moved some files 
> onto it with WebDAV from a linux box (Mandrake 9.0,KDE 3.0) and
> though the largest (a CD image ~500Mb) files didn't transfer (it looks 
> like I ran out of disk space on the system drive) the Zope server didn't 
> hang.
> 
>> > Ideas? I would guess that it's a threading problem, mostly because 
>> in my > experience threads suck on Windows, but I don't know enough 
>> about the > Zope internals to prove it.
>> I have not yet heard of (modern) Windows threading problems.
>> They seem to be better supported than on Unix.
>>
>>  
>>
> That could be. My experience with Windows threads is at least five years 
> old.
> 
>                                                                        

After discovering that the ZClasses I built on 2.5.1 can't be imported
that easily to a 2.6 server, I fell back to 2.5.1 . Now all of my FTP on 
an XP box problems have gone away. Don't know why or how, but take it as 
a data point.

						J. Toman