Re: Intermittent bug with asyncio and MS Edge

2020-03-25 Thread Barry Scott
> On 25 Mar 2020, at 06:12, Frank Millman wrote: > > On 2020-03-24 8:39 PM, Barry Scott wrote: >>> On 24 Mar 2020, at 11:54, Frank Millman wrote: >>> >>> >>> I decided to concentrate on using Wireshark to detect the difference >>> between a Python3.7 session and a Python3.8 session. Alread

Re: Intermittent bug with asyncio and MS Edge

2020-03-24 Thread Chris Angelico
On Wed, Mar 25, 2020 at 5:14 PM Frank Millman wrote: > My guess is that 3.7 is slower to send the files, so Edge starts up all > 20 connections before it has finished receiving the first one, whereas > with 3.8, by the time it has opened a few connections the first file has > been received, so it

Re: Intermittent bug with asyncio and MS Edge

2020-03-24 Thread Frank Millman
On 2020-03-24 8:39 PM, Barry Scott wrote: On 24 Mar 2020, at 11:54, Frank Millman wrote: I decided to concentrate on using Wireshark to detect the difference between a Python3.7 session and a Python3.8 session. Already I can see some differences. There is only one version of my program. I

Re: Intermittent bug with asyncio and MS Edge

2020-03-24 Thread Barry Scott
> On 24 Mar 2020, at 11:54, Frank Millman wrote: > > On 2020-03-23 1:56 PM, Frank Millman wrote: >> On 2020-03-23 12:57 PM, Chris Angelico wrote: >>> On Mon, Mar 23, 2020 at 8:03 PM Frank Millman wrote: On 2020-03-22 12:11 PM, Chris Angelico wrote: > On Sun, Mar 22, 2020 at 8:3

Re: Intermittent bug with asyncio and MS Edge

2020-03-24 Thread Frank Millman
On 2020-03-24 1:54 PM, Frank Millman wrote: On 2020-03-23 1:56 PM, Frank Millman wrote: I have one frustration with Wireshark. I will mention it in case anyone has a solution. I can see that Edge opens multiple connections. I am trying to track the activity on each connection separately. I c

Re: Intermittent bug with asyncio and MS Edge

2020-03-24 Thread Frank Millman
On 2020-03-23 1:56 PM, Frank Millman wrote: On 2020-03-23 12:57 PM, Chris Angelico wrote: On Mon, Mar 23, 2020 at 8:03 PM Frank Millman wrote: On 2020-03-22 12:11 PM, Chris Angelico wrote: On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: On 2020-03-22 10:45 AM, Chris Angelico wrote:

Re: Intermittent bug with asyncio and MS Edge

2020-03-23 Thread Chris Angelico
On Mon, Mar 23, 2020 at 10:58 PM Frank Millman wrote: > > On 2020-03-23 12:57 PM, Chris Angelico wrote: > > On Mon, Mar 23, 2020 at 8:03 PM Frank Millman wrote: > >> > >> On 2020-03-22 12:11 PM, Chris Angelico wrote: > >>> On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: > > On 202

Re: Intermittent bug with asyncio and MS Edge

2020-03-23 Thread Barry Scott
> On 23 Mar 2020, at 09:02, Frank Millman wrote: > > On 2020-03-22 12:11 PM, Chris Angelico wrote: >> On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: >>> >>> On 2020-03-22 10:45 AM, Chris Angelico wrote: >> If you can recreate the problem with a single socket and multiple >> requests, t

Re: Intermittent bug with asyncio and MS Edge

2020-03-23 Thread Frank Millman
On 2020-03-23 12:57 PM, Chris Angelico wrote: On Mon, Mar 23, 2020 at 8:03 PM Frank Millman wrote: On 2020-03-22 12:11 PM, Chris Angelico wrote: On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: On 2020-03-22 10:45 AM, Chris Angelico wrote: If you can recreate the problem with a singl

Re: Intermittent bug with asyncio and MS Edge

2020-03-23 Thread Chris Angelico
On Mon, Mar 23, 2020 at 8:03 PM Frank Millman wrote: > > On 2020-03-22 12:11 PM, Chris Angelico wrote: > > On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: > >> > >> On 2020-03-22 10:45 AM, Chris Angelico wrote: > > > > If you can recreate the problem with a single socket and multiple > > req

Re: Intermittent bug with asyncio and MS Edge

2020-03-23 Thread Frank Millman
On 2020-03-22 12:11 PM, Chris Angelico wrote: On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: On 2020-03-22 10:45 AM, Chris Angelico wrote: If you can recreate the problem with a single socket and multiple requests, that would be extremely helpful. I also think it's highly likely that t

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Barry Scott
> On 22 Mar 2020, at 09:41, Frank Millman wrote: > > On 2020-03-22 11:00 AM, Barry Scott wrote: >>> On 22 Mar 2020, at 07:56, Frank Millman wrote: >>> >>> On 2020-03-21 8:04 PM, Barry Scott wrote: I'd look at the network traffic with wireshark to see if there is anything different

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Barry Scott
> On 22 Mar 2020, at 11:59, Frank Millman wrote: > > On 2020-03-22 1:01 PM, Chris Angelico wrote: >> On Sun, Mar 22, 2020 at 12:45 AM Frank Millman wrote: >>> >>> Hi all >>> >>> I have a strange intermittent bug. >>> >>> The role-players - >>> asyncio on Python 3.8 running on Windows

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Frank Millman
On 2020-03-22 1:01 PM, Chris Angelico wrote: On Sun, Mar 22, 2020 at 12:45 AM Frank Millman wrote: Hi all I have a strange intermittent bug. The role-players - asyncio on Python 3.8 running on Windows 10 Microsoft Edge running as a browser on the same machine The bug does not oc

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Kouli
The RST from Python is probably caused here by HTTP 1.1 server closing TCP connection without signalling "Connection: Close" in response headers: a fast HTTP client will send another HTTP request before its TCP stack detects the connection is being closed - and packets containing this new requests

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Chris Angelico
On Sun, Mar 22, 2020 at 12:45 AM Frank Millman wrote: > > Hi all > > I have a strange intermittent bug. > > The role-players - > asyncio on Python 3.8 running on Windows 10 > Microsoft Edge running as a browser on the same machine > > The bug does not occur with Python 3.7. > It does not

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Chris Angelico
On Sun, Mar 22, 2020 at 8:42 PM Frank Millman wrote: > > On 2020-03-22 11:00 AM, Barry Scott wrote: > > > > > >> On 22 Mar 2020, at 07:56, Frank Millman wrote: > >> > >> On 2020-03-21 8:04 PM, Barry Scott wrote: > >>> I'd look at the network traffic with wireshark to see if there is > >>> anythi

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Chris Angelico
On Sun, Mar 22, 2020 at 8:30 PM Frank Millman wrote: > > On 2020-03-22 10:45 AM, Chris Angelico wrote: > > On Sun, Mar 22, 2020 at 6:58 PM Frank Millman wrote: > >>> I'd look at the network traffic with wireshark to see if there is > >>> anything different between edge and the other browsers. >

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Frank Millman
On 2020-03-22 11:00 AM, Barry Scott wrote: On 22 Mar 2020, at 07:56, Frank Millman wrote: On 2020-03-21 8:04 PM, Barry Scott wrote: I'd look at the network traffic with wireshark to see if there is anything different between edge and the other browsers. You are leading me into deep water

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Frank Millman
On 2020-03-22 10:45 AM, Chris Angelico wrote: On Sun, Mar 22, 2020 at 6:58 PM Frank Millman wrote: I'd look at the network traffic with wireshark to see if there is anything different between edge and the other browsers. You are leading me into deep waters here :-) I have never used Wiresh

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Barry Scott
> On 22 Mar 2020, at 07:56, Frank Millman wrote: > > On 2020-03-21 8:04 PM, Barry Scott wrote: >>> On 21 Mar 2020, at 13:43, Frank Millman wrote: >>> >>> Hi all >>> >>> I have a strange intermittent bug. >>> >>> The role-players - >>>asyncio on Python 3.8 running on Windows 10 >>>M

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Chris Angelico
On Sun, Mar 22, 2020 at 6:58 PM Frank Millman wrote: > > I'd look at the network traffic with wireshark to see if there is anything > > different between edge and the other browsers. > > > > You are leading me into deep waters here :-) I have never used > Wireshark before. I have now downloaded

Re: Intermittent bug with asyncio and MS Edge

2020-03-22 Thread Frank Millman
On 2020-03-21 8:04 PM, Barry Scott wrote: On 21 Mar 2020, at 13:43, Frank Millman wrote: Hi all I have a strange intermittent bug. The role-players - asyncio on Python 3.8 running on Windows 10 Microsoft Edge running as a browser on the same machine The bug does not occur with Pyt

Re: Intermittent bug with asyncio and MS Edge

2020-03-21 Thread Barry Scott
> On 21 Mar 2020, at 13:43, Frank Millman wrote: > > Hi all > > I have a strange intermittent bug. > > The role-players - >asyncio on Python 3.8 running on Windows 10 >Microsoft Edge running as a browser on the same machine > > The bug does not occur with Python 3.7. > It does not o

Intermittent bug with asyncio and MS Edge

2020-03-21 Thread Frank Millman
Hi all I have a strange intermittent bug. The role-players - asyncio on Python 3.8 running on Windows 10 Microsoft Edge running as a browser on the same machine The bug does not occur with Python 3.7. It does not occur with Chrome or Firefox. It does not occur when MS Edge connects to a