[New-bugs-announce] [issue25883] python 2.7.11 mod_wsgi regression on windows

[stephan]

New submission from stephan:

Hi,

I use apache 32 bit on windows with mod_wsgi for my trac instance,
and other django instances which are attached by reverse-proxy.

With python (32bit) 2.7.10 it works, but as soon
as I updated to python 2.7.11 apache doesn't work anymore
(it does not respond to requests). 

I find out that the mod_wsgi.so module
causes the problem.
If I deactivate mod_wsgi (and by this my trac instance) the
other stuff works again.

In the apache error log I see the following:

------------
[Wed Dec 16 08:56:57.130160 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00428: Parent: child process 6708 exited with status 1 -- Restarting.
[Wed Dec 16 08:56:57.130160 2015] [core:error] [pid 4184:tid 664] AH00546: no record of generation 0 of exiting child 6708
[Wed Dec 16 08:56:57.817228 2015] [ssl:warn] [pid 4184:tid 664] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Wed Dec 16 08:56:57.817228 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00455: Apache/2.4.10 (Win32) mod_authn_ntlm/1.0.0 OpenSSL/1.0.1h mod_wsgi/4.4.9 Python/2.7.11 configured -- resuming normal operations
[Wed Dec 16 08:56:57.817228 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00456: Apache Lounge VC9 Server built: Jul 19 2014 13:07:40
[Wed Dec 16 08:56:57.817228 2015] [core:notice] [pid 4184:tid 664] AH00094: Command line: 'd:\\Programme\\Apache24\\bin\\httpd.exe -d D:/Programme/Apache24'
[Wed Dec 16 08:56:57.820229 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00418: Parent: Created child process 3656
[Wed Dec 16 08:56:59.035350 2015] [ssl:warn] [pid 3656:tid 676] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
ImportError: No module named site
[Wed Dec 16 08:56:59.054352 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00428: Parent: child process 3656 exited with status 1 -- Restarting.
[Wed Dec 16 08:56:59.054352 2015] [core:error] [pid 4184:tid 664] AH00546: no record of generation 0 of exiting child 3656
[Wed Dec 16 08:56:59.819429 2015] [ssl:warn] [pid 4184:tid 664] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
[Wed Dec 16 08:56:59.819429 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00455: Apache/2.4.10 (Win32) mod_authn_ntlm/1.0.0 OpenSSL/1.0.1h mod_wsgi/4.4.9 Python/2.7.11 configured -- resuming normal operations
[Wed Dec 16 08:56:59.819429 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00456: Apache Lounge VC9 Server built: Jul 19 2014 13:07:40
[Wed Dec 16 08:56:59.819429 2015] [core:notice] [pid 4184:tid 664] AH00094: Command line: 'd:\\Programme\\Apache24\\bin\\httpd.exe -d D:/Programme/Apache24'
[Wed Dec 16 08:56:59.821429 2015] [mpm_winnt:notice] [pid 4184:tid 664] AH00418: Parent: Created child process 8056
[Wed Dec 16 08:57:01.159563 2015] [ssl:warn] [pid 8056:tid 672] AH01873: Init: Session Cache is not configured [hint: SSLSessionCache]
ImportError: No module named site
...
...
------------

and so on ... the error.log grows continuously even 
if do not send any request to apache,
because the process is restarted and restarted.

Now: 
 Or mod_wsgi.so (mod_wsgi-4.4.21.tar.gz) has a bug
 which didn't cause problems all the time,
 or the new python version introduced this bug.

----------
components: Windows
messages: 256522
nosy: paul.moore, stephan, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: python 2.7.11 mod_wsgi regression on windows
versions: Python 2.7

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25883>
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