Re: TCP reset caused by socket.py

2007-12-13 Thread Gabriel Genellina
En Wed, 12 Dec 2007 20:12:43 -0300, Object01 <[EMAIL PROTECTED]> escribi�: > I don't know much about the timing of Python's garbage collection. Is > it pretty aggressive? As soon as the reference count reaches zero (at least for current CPython version). Objects that are part of a reference cy

Re: TCP reset caused by socket.py

2007-12-12 Thread Bjoern Schliessmann
Object01 wrote: > Is there something I can look for in the packet traffic that would > indicate one party is misbehaving? The sequence numbers seem ok. > *shrug* I'd expect to see data sent from server to client and > then see a sequence of packets that close the connection > gracefully. Instead

Re: TCP reset caused by socket.py

2007-12-12 Thread Object01
> Is this applicable in your > case?:http://brad.livejournal.com/2152593.html?thread=10832273#t10832273 > (closing a nonblocking socket with a nonempty output queue generates a RST) Based on my stepping through the code, everything passed to _fileobject.write() makes it out onto the wire just fin

Re: TCP reset caused by socket.py

2007-12-12 Thread Gabriel Genellina
En Wed, 12 Dec 2007 13:38:21 -0300, Object01 <[EMAIL PROTECTED]> escribió: > On Dec 11, 6:17 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> > wrote: >> En Tue, 11 Dec 2007 10:51:13 -0300, Object01 <[EMAIL PROTECTED]> >> escribi�: >> >> > I've been working with the source code for Trac (http:// >> >

Re: TCP reset caused by socket.py

2007-12-12 Thread Gabriel Genellina
En Wed, 12 Dec 2007 15:46:14 -0300, Bjoern Schliessmann <[EMAIL PROTECTED]> escribió: > Gabriel Genellina wrote: >> A RST when you close a socket is OK. > Says who? MS? ;) Nevermind... just nonsense! -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list

Re: TCP reset caused by socket.py

2007-12-12 Thread Jeff McNeil
Do you have any non-standard network hardware along the route? Perhaps a transparent proxy like a load balancer or a firewall of sorts? I've seen this type of thing happen before with load balancer gear. In my situation, I had a load balancer that kept a state table. If the load balancer didn't

Re: TCP reset caused by socket.py

2007-12-12 Thread Object01
On Dec 12, 12:45 pm, Bjoern Schliessmann wrote: > Object01 wrote: > > The server is multithreaded, handling each request on its own > > thread. > > Ugh. > > > But is a RST really a part of a valid close operation? > > Depends on the state of the parties :) The proper way to close > non-defunct con

Re: TCP reset caused by socket.py

2007-12-12 Thread Bjoern Schliessmann
Gabriel Genellina wrote: > A RST when you close a socket is OK. Says who? MS? ;) Regards, Björn -- BOFH excuse #328: Fiber optics caused gas main leak -- http://mail.python.org/mailman/listinfo/python-list

Re: TCP reset caused by socket.py

2007-12-12 Thread Bjoern Schliessmann
Object01 wrote: > The server is multithreaded, handling each request on its own > thread. Ugh. > But is a RST really a part of a valid close operation? Depends on the state of the parties :) The proper way to close non-defunct connections is using FIN segments. > It was my understanding that

Re: TCP reset caused by socket.py

2007-12-12 Thread Object01
On Dec 11, 6:17 pm, "Gabriel Genellina" <[EMAIL PROTECTED]> wrote: > En Tue, 11 Dec 2007 10:51:13 -0300, Object01 <[EMAIL PROTECTED]> escribi�: > > > I've been working with the source code for Trac (http:// > > trac.edgewall.org/) lately and have run across a bizarre problem. It > > seems that all

Re: TCP reset caused by socket.py

2007-12-11 Thread Gabriel Genellina
En Tue, 11 Dec 2007 10:51:13 -0300, Object01 <[EMAIL PROTECTED]> escribi�: > I've been working with the source code for Trac (http:// > trac.edgewall.org/) lately and have run across a bizarre problem. It > seems that all POST requests to Trac's standalone server (tracd) have > a random chance of