[twill] Temporary Failure in Name Resolution

Krieghan J. Riley kriley at texturallc.com
Tue Mar 20 12:49:09 PDT 2007

I've been investigation this problem for a few days, now.  I'm somewhat
reluctant to post to this list, as this issue could easily be with my
network/development environment, etc.  However, twill code is in the
traceback, so I figure someone might be able to give me some pointers.

My twill script does a great deal of repetitive actions on a web
application.  Right now, the same operations get executed over and over
with different parameters.  Execution of the script goes as planned
until 10-15 minutes in it dumps with the following:

Traceback (most recent call last):
  File "testclient.py", line 131, in ?
  File "testclient.py", line 60, in RunTestSet
  File "testclient.py", line 43, in Loop
  File "/home/kriley/krileydev/autotest.py", line 120, in RunTest
  File "/home/kriley/krileydev/autotest.py", line 159, in Get
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/browser.py", line 113, in go
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/browser.py", line 516, in _journey
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/other_packages/mechanize/_mechanize.py", line 156, in open
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/other_packages/mechanize/_mechanize.py", line 182, in _mech_open
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/other_packages/mechanize/_opener.py", line 180, in open
  File "urllib2.py", line 376, in _open
  File "urllib2.py", line 337, in _call_chain
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/_browser.py", line 19, in http_open
"/usr/lib/python2.4/site-packages/twill-0.9b1-py2.4.egg/twill/other_packages/mechanize/_http.py", line 644, in do_open
urllib2.URLError: <urlopen error (-3, 'Temporary failure in name

The first part of the traceback, the part before it hits twill, is my
code.  The parts that it's tripping over have been executed repeatedly
over the course of execution - it's only after a certain amount of time
has passed that there's a problem.  I should also add that this problem
is consistent - there are no runs where it does not occur.  I have no
network problems that I know of.  I am somewhat stumped...

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