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 Topic: how to examine apache crashes? |
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mike__b
Joined: 03 Sep 2009
Posts: 4
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 Posted: Thu 07 Mar '13 17:49 Post subject: how to examine apache crashes? |
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Hi,
I'm using mod_perl 2.0.7 on Windows with Apache 2.2.23. I got Apache
from Apachelounge, and compiled mod_perl and perl 5.16.2 myself using
Visual Studio 2008. I'm using a 32-bit Windows Vista.
Pretty frequently my app (which works just fine on Linux) makes Apache
crash. If I perform 500 requests with Apache Bench, I see this:
Benchmarking localhost (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
apr_socket_recv: An existing connection was forcibly closed by the
remote host. (730054)
Total of 338 requests completed
In the apache error log I see apache is restarting, but this results
in some HTTP 500 errors that make the apache-bench results fail. When
using a web browser, I also get these http 500 errors.
If I run the application using native CGI (i.e. I turn off mod_perl) I
do not see crashes but of course it is *very* slow.
How can I find out what makes apache/mod_perl crash?
I asked the same on the modperl mailing lists, there they said I needed the symbol files for apache (*.pdb files). Where are these? |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7373
Location: Germany, Next to Hamburg
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| Posted: Thu 21 Mar '13 11:07 Post subject: |
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| Steffen may provied that files since he compiled it, he must have that files. |
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Steffen
Moderator
Joined: 15 Oct 2005
Posts: 3092
Location: Hilversum, NL, EU
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| Posted: Thu 21 Mar '13 12:00 Post subject: |
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| For the current builds I did not kept the .pdb's. In the future I shall keep them and if some needs it, I can provide. |
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glsmith
Moderator
Joined: 16 Oct 2007
Posts: 2268
Location: Sun Diego, USA
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| Posted: Thu 21 Mar '13 19:35 Post subject: |
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I could supply symbols for the current Apache Haus build (2.2.24).
Provided you have a version of Visual Studio 2008 other than Express, you can get a backtrace. |
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