Re: FW: [users@httpd] Apache dies unexpectedly

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On 6/27/05, AussieJohn <aussiejohn@xxxxxxxxx> wrote:
> On 6/27/05, Boyle Owen <Owen.Boyle@xxxxxxx> wrote:
> >
> >
> > > -----Original Message-----
> > > From: AussieJohn [mailto:aussiejohn@xxxxxxxxx]
> > > Sent: Montag, 27. Juni 2005 13:29
> > >
> > > > > Could it be a CGI program? Does apache start as root?
> > > > >
> > > -----
> > > it could indeed be a cgi (PHP) program - allthough quite
> > > often I am not
> > > using the webserver, and will still die, hence suggesting to
> > > me that it is
> > > not a CGI script causing this.
> >
> > You say "... I am not using the webserver ..."
> >
> > Eh? It is the clients on the WWW who use the webserver - or do you mean that it is not connected to the internet?
> >
> > To be clear, what I'm wondering is whether someone has written a script somewhere which is causing a restart when it gets requested.
> >
> > This is why I asked if apache is started as root. If not, then a CGI script may be able to issue a restart directly. Howver, even if apache is started as root, the CGi could touch a file somewhere and if make were running on the root crontab with the touch file as a dependency it could make a restart (this is a common ploy to restart automatically after some file has been touched).
> >
> 
> ---
> Oh, sorry for not clarifying this earlier, but the webserver runs on my
> development machine, and thus does not get any traffic from the outside world.
> I have been manually starting apache as root (either when logged in to a
> root shell, or thru 'sudo').
> 
> Though I do remember setting apache to run as its 'own' user and group
> (apache and htdocs respectively) ... this user and group have access
> to read/write/exec on the webservers document root.
> 
> anyway - i may get some sleep - and maybe when i get to work tomorrow the
> magix tux-fairies will have fixed my problem - if not I'm sure I will
> reply with some more
> details on the server config and what not...
> 
> john
> 

------------
Ok here a <snip> from my error_log as it tranpired last night (while I
was ofcourse not in the office.)

[Tue Jun 28 07:04:33 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 07:04:33 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 07:04:33 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 07:04:38 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=14093)
[Tue Jun 28 07:04:38 2005] [notice] caught SIGTERM, shutting down
[Tue Jun 28 07:04:49 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 07:04:49 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 07:04:49 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 07:04:55 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=14135)
[Tue Jun 28 07:04:55 2005] [notice] caught SIGTERM, shutting down
[Tue Jun 28 07:49:50 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 07:49:50 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 07:49:50 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 07:49:55 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=15003)
[Tue Jun 28 07:49:55 2005] [notice] caught SIGTERM, shutting down
[Tue Jun 28 07:50:07 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 07:50:07 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 07:50:07 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 07:50:12 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=15045)
[Tue Jun 28 07:50:12 2005] [notice] caught SIGTERM, shutting down
[Tue Jun 28 08:35:07 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 08:35:07 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 08:35:07 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 08:35:12 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=15919)
[Tue Jun 28 08:35:12 2005] [notice] caught SIGTERM, shutting down
[Tue Jun 28 08:35:24 2005] [notice] Apache/2.0.54 (Unix) PHP/4.3.11
configured -- resuming normal operations
[Tue Jun 28 08:35:24 2005] [info] Server built: Apr 18 2005 14:28:22
[Tue Jun 28 08:35:24 2005] [debug] prefork.c(956): AcceptMutex:
sysvsem (default: sysvsem)
[Tue Jun 28 08:35:29 2005] [info] removed PID file
/usr/local/apache2/logs/httpd.pid (pid=15961)
[Tue Jun 28 08:35:29 2005] [notice] caught SIGTERM, shutting down

apologies for the length, but i thought it might be helpful for you to see.

I just did a `ps x` and saw that 'fam' was running ... could fam be
set to monitor my PID file ?
and then remove it ?

Also - the other file in /etc/init.d was 'httpd.rpmsave' - which I've
moved to /tmp for now ...
I also edited the 'httpd' script in /etc/init.d/ as I noticed that the
PID file location was set to be in /var/run (but my actual PID file is
in /usr/local/apache2/logs/

I will keep you updated as I go with this ...

john
-------------

> 
> ---
> > Rgds,
> > Owen Boyle
> > Disclaimer: Any disclaimer attached to this message may be ignored.
> >
> >
> > >
> > > also what might be interesting to note, is that I did to a
> > > reboot of my system,
> > > as I figured this may clear out zombified processes and other nasty
> > > things that may have ended up in memory/in apache thread.
> > >
> > > Alas, to no avail, approximately 10/15 mins after reboot the
> > > server died again.
> > >
> > > -----
> > >
> > > > > Rgds,
> > > > > Owen Boyle
> > > > > Disclaimer: Any disclaimer attached to this message may
> > > be ignored.
> > > > >
> > > > >
> > > > > > This is extremely odd, as the webserver
> > > > > > ofcourse doesn't
> > > > > > get used on the weekend as it is my workstation (I'm a web
> > > > > developer).
> > > > > > the only thing I could think of was a misbehaving profiler
> > > > > or module.
> > > > > > The only things I added before the server started dying was a
> > > > > > virtualhost
> > > > > > and mod_auth.
> > > > > > I have tested with disabling the vhost, mod_auth and
> > > > > > Xdebug (PHP profiler/debugger).
> > > > > >
> > > > > > None of these seem to give me a solution. So I am still
> > > stuck with a
> > > > > > sporadically
> > > > > > dying webserver.
> > > > > > When I get back to work in the morning I will however make
> > > > > sure that
> > > > > > there are no crontabs set. I am 99.9 % sure there
> > > aren;t as I am the
> > > > > > only one that
> > > > > > uses my machine.
> > > > > >
> > > > > > Would their be any other way to find out what exactly happens
> > > > > > that would kill
> > > > > > the server ?
> > > > > > -------------
> > > > > > > Rgds,
> > > > > > > Owen Boyle
> > > > > > > Disclaimer: Any disclaimer attached to this message may
> > > > > be ignored.
> > > > > > >
> > > > > > <snip>
> > > > > >
> > > > > >
> > > > > > --
> > > > > > "If you really want something in this life, you have to
> > > work for it.
> > > > > > Now, quiet! They're about to announce the lottery numbers..."
> > > > > > - Homer Simpson
> > > > > >
> > > > >
> > > >
> > > >
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> > > >
> > >
> > >
> > > --
> > > "If you really want something in this life, you have to work for it.
> > > Now, quiet! They're about to announce the lottery numbers..."
> > > - Homer Simpson
> > >
> > > ---------------------------------------------------------------------
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> > > Server Project.
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> >
> 
> 
> --
> "If you really want something in this life, you have to work for it.
> Now, quiet! They're about to announce the lottery numbers..."
> - Homer Simpson
> 


-- 
"If you really want something in this life, you have to work for it.
Now, quiet! They're about to announce the lottery numbers..."
- Homer Simpson

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