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From "Goutam Baul" <goutam.b...@cescltd.com>
Subject RE: [users@httpd] Apache stops responding frequently
Date Fri, 16 Jul 2004 11:02:59 GMT
Hello List,

Thanks for the prompt response. When the apache stopped responding then the
out of service httpd status showed

==========
httpd (pid 19148 18801 18417 18416 18406 18405 18137 18089 17978 5286 824
823 822 821 820 819 818 817 790) is running...
==========
When I issued the command service httpd stop, the httpd error.log showed:

==============
/var/www/html/cescmail/favicon.ico
[Fri Jul 16 09:53:13 2004] [warn] child process 817 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 818 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 819 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 820 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 821 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 822 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 823 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 824 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 5286 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 17978 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18089 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18137 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18405 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18406 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18416 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18417 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 18801 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:13 2004] [warn] child process 19148 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 817 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 818 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 819 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 820 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 821 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 822 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 823 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 824 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 5286 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 17978 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18089 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18137 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18405 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18406 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18416 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18417 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 18801 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:14 2004] [warn] child process 19148 still did not exit,
sending a SIGTERM
[Fri Jul 16 09:53:15 2004] [notice] caught SIGTERM, shutting down

==============
I am trying in vain for the past few weeks to find the relation between the
access log and the error log. Do I attach the logs to the list if someone is
kind enough to help me locate the problem?

I have loaded the apache using the RPM that comes with redhat 8.0 and thus
the probable problem with the compilation etc. has not happened.

Thanks a lot for paying attention to my problems.

Goutam


 -----Original Message-----
From: 	Boyle Owen [mailto:Owen.Boyle@swx.com]
Sent:	Friday, July 16, 2004 3:55 PM
To:	users@httpd.apache.org
Subject:	RE: [users@httpd] Apache stops responding frequently

> -----Original Message-----
> From: Goutam Baul [mailto:goutam.baul@cescltd.com]
> Sent: Freitag, 16. Juli 2004 12:03
> To: users@httpd.apache.org
> Subject: [users@httpd] Apache stops responding frequently
>
>
>
> Hello List,
>
> I am using RedHat 8.0 and Apache 1.3.91-5. This server is
> being used for
> QMAIL and Squirrel Mail. The later is a PHP based web application for
> providing web mailing facilities.
>
> After 5-6 days of running we find that the apache is not
> responding for
> sometime and then comes up on its own. During this time we
> tried to stop the
> apache server with the command service httpd stop. This
> generates the log
> entry telling that the child processes were not available
> when those were
> attempted to be terminated. The process ids shown in the log
> entry are those
> that are being shown with the command service httpd status barring the
> initial process.

Always cut'n'paste error and log messages rather than paraphrase them.
That way you don't filter out important information.


>
> This is happening regularly. I am not sure what are the other details
> regarding my installation that I should provide to you. I
> shall be obliged
> if you kindly ask for any details that might be useful to you all.
>
> Observation of the log file also reveals an interesting fact,
> though I am
> not sure if this is related. Some time the httpd error log
> shows that some
> client tried to access a file /var/www/html/dir1/favicon.ico

Don't worry about this. favicon.ico is a small graphics file for
browsers to put in the bookmarks menu if someone bookmarks your site -
google favicon.ico for more details.


> and that file
> is not existing. We have thoroughly searched all the PHP and
> other web pages
> being served by the server and no reference to the file favicon.ico is
> there. After a few hours of this error, the httpd service
> stops responding
> as detailed above.
>
> Please help me with some pointer as to how I should try and remedy the
> problem. I am not an experienced user.

You need to understand why apache is stopping. Cross-reference the error
log and access log at the time of a stop to see what request is causing
the stop. Then test the request to see if you can reproduce the stop. If
you don't figure it out from that, post the *exact* error and access log
messages.

<wild guess>
You recompiled apache recently but didn't recompile a module. You're
still dynamically loading this module and it's causing a seg fault..
</wild guess>

Rgds,
Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored.


>
> Goutam
>
>
>
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