[New-bugs-announce] [issue10116] Sporadic failures in test_urllibnet

Stephen Hansen report at bugs.python.org
Fri Oct 15 15:44:42 CEST 2010

New submission from Stephen Hansen <me+python at ixokai.io>:

Ever since running the snow leopard buildslave, I've had sporadic failures in test_urllibnet. At first I thought it was just a net glitch on my machine or something, as immediately re-running the tests made it go away: but this most recent one:


happened while I was very much monitoring and using the network on the machine for other purposes, and everything was fine in general.

So, I went and looked into test_urllibnet to try to figure out why, and I notice that some of the tests use code to retry on IOErrors, and some don't-- and this test that failed in particular is one that doesn't. 

So: anyone have a better idea of what's going wrong, or is it just that hey, the active network tests are a bit flaky and all should use _open_with_retry instead of just some as is the case now?

[If the latter, I can do a patch]

FWIW, I've only seen this on the 3.1 and 3.x buildslaves, but have seen it on both of those more then once. But I don't know that its a 3.x specific issue: those builds get run more often then the 2.7 one, so have more chances to run into a sporadic issue.

components: Tests
messages: 118772
nosy: ixokai
priority: normal
severity: normal
status: open
title: Sporadic failures in test_urllibnet
versions: Python 3.1, Python 3.2

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