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caught SIGTERM, shutting down

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sreedhar.sirigiri at gmail

Apr 25, 2007, 9:31 PM

Post #1 of 5 (12200 views)
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caught SIGTERM, shutting down

Hey List,

We have Jboss clustered environment with Apache installed on the main
server. For the past few days I've observerd Apache web server going
down couple of times in a week and hence users were not able to login.
I had to restart Apache. I checked the logs and in error_log I found
the following. Kindly help

[Mon Apr 23 14:49:37 2007] [notice] caught SIGTERM, shutting down
[Mon Apr 23 14:49:48 2007] [notice] suEXEC mechanism enabled (wrapper:
/usr/sbin/suexec)
[Mon Apr 23 14:49:48 2007] [notice] Digest: generating secret for
digest authentication ...
[Mon Apr 23 14:49:48 2007] [notice] Digest: done
[Mon Apr 23 14:49:49 2007] [notice] mod_python: Creating 4 session
mutexes based on 150 max processes and 0 max threads.
[Mon Apr 23 14:49:49 2007] [notice] Apache/2.0.52 (Red Hat) configured
-- resuming normal operations

Thanks in advance
Sreedhar

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wrowe at rowe-clan

Apr 25, 2007, 10:23 PM

Post #2 of 5 (12132 views)
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Re: caught SIGTERM, shutting down [In reply to]

Sreedhar S wrote:
>
> We have Jboss clustered environment with Apache installed on the main
> server. For the past few days I've observerd Apache web server going
> down couple of times in a week and hence users were not able to login.
> I had to restart Apache. I checked the logs and in error_log I found
> the following. Kindly help

Suggestion - when you get no response, next time try repeating the same
post with *more* information. It's more likely to get you help.

SIGTERM means it was deliberately shut down by it's administrator or the
operating system.

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sreedhar.sirigiri at gmail

Apr 25, 2007, 10:48 PM

Post #3 of 5 (12111 views)
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Re: caught SIGTERM, shutting down [In reply to]

Hi William,

Thanks for the reply.

"SIGTERM means it was deliberately shut down by it's administrator or the
operating system"

I checked with the administrator and she did not shutdown. How does an
operating system shutdown the Apache server? You mean to say, is there
any process in operating system which is trying to bring down the
server?

Regards,
Sreedhar

On 4/26/07, William A. Rowe, Jr. <wrowe [at] rowe-clan> wrote:
> Sreedhar S wrote:
> >
> > We have Jboss clustered environment with Apache installed on the main
> > server. For the past few days I've observerd Apache web server going
> > down couple of times in a week and hence users were not able to login.
> > I had to restart Apache. I checked the logs and in error_log I found
> > the following. Kindly help
>
> Suggestion - when you get no response, next time try repeating the same
> post with *more* information. It's more likely to get you help.
>
> SIGTERM means it was deliberately shut down by it's administrator or the
> operating system.
>
>
> ---------------------------------------------------------------------
> The official User-To-User support forum of the Apache HTTP Server Project.
> See <URL:http://httpd.apache.org/userslist.html> for more info.
> To unsubscribe, e-mail: users-unsubscribe [at] httpd
> " from the digest: users-digest-unsubscribe [at] httpd
> For additional commands, e-mail: users-help [at] httpd
>
>

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robert.wyatt at mail

Apr 26, 2007, 6:21 AM

Post #4 of 5 (12116 views)
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Re: caught SIGTERM, shutting down [In reply to]

Sreedhar S wrote:
> Hi William,
>
> Thanks for the reply.
>
> "SIGTERM means it was deliberately shut down by it's administrator or the
> operating system"
>
> I checked with the administrator and she did not shutdown. How does an
> operating system shutdown the Apache server? You mean to say, is there
> any process in operating system which is trying to bring down the
> server?
>
> Regards,
> Sreedhar

Sreedhar,

He means that some (user or) process with admin privileges told the
server to quit and that the server received that message and quit.
(The application "caught" the "SIGTERM" command.) Do you have any cron
jobs running that might restart the server periodically?

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joshua at slive

Apr 18, 2008, 6:03 AM

Post #5 of 5 (12027 views)
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Re: caught SIGTERM, shutting down [In reply to]

On Fri, Apr 18, 2008 at 5:50 AM, Feraudet Cyril
<cyril.feraudet-ext [at] ca-sits> wrote:
>
>
> Hello all,
>
> I have a little problem whith apache 2.0.61.
>
> Regulary (twice by days), I can found this kind of message in my error_log :
>
> [info] removed PID file /appwebinet/logiciels/list/apache/var/httpd.pid
> (pid=6862)
> [notice] caught SIGTERM, shutting down
>
> Apache seems restart, for an unknown reason.
>
> But some time apache shut down but don't restart ...
>
> After investigation there is not third processus who kill apache (no
> logrotate, ...).
>
> Why apache restart him self ?

The message is very explicit. Apache didn't restart itself. Sombody
sent it a SIGTERM. (Theoretically, it could send itself a SIGTERM, but
it will not do this in a standard install.)

So I suggest you look again at other processes on your system that may
be involved.

Joshua.

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