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From "Boyle Owen" <Owen.Bo...@swx.com>
Subject RE: [users@httpd] Child errors causing Apache to exit
Date Tue, 06 Dec 2005 08:06:28 GMT


> -----Original Message-----
> From: Graham Frank [mailto:gfrank@neoservers.com]
> Sent: Montag, 5. Dezember 2005 20:55
> To: users@httpd.apache.org
> Subject: RE: [users@httpd] Child errors causing Apache to exit
> 
> 
> You also asked about how the crash works?  When the child 
> returns the error, the Apache parent process dies and Apache 
> goes completely offline.  I have to manually restart Apache.

You need to cross-ref the access logs to see what request is doing this...

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

> 
> -----------------------------------
> Graham Frank
> (608) 359-1593
> Neoservers LLC - http://www.neoservers.com/
> Founder/Owner
> 
> -----Original Message-----
> From:  Boyle Owen
> Date:  12/5/05 7:31 am
> To:  users@httpd.apache.org
> Subj:  RE: [users@httpd] Child errors causing Apache to exit
> 
> 
> 
> > -----Original Message-----
> > From: Graham Frank [mailto:gfrank@neoservers.com]
> > Sent: Montag, 5. Dezember 2005 09:47
> > To: users@httpd.apache.org
> > Subject: RE: [users@httpd] Child errors causing Apache to exit
> > 
> > 
> > Sorry for the lack of info.
> > 
> > OS:  Redhat Enterprise Linux 3
> > Apache 1.3.34
> > PHP 4.4.0
> > mod_security
> > 
> > This server only keeps an error log and loglevel crit because 
> > of how active it is.  Access, transfer, and other logs 
> > actually end up causing the system to slow down.  This isn't 
> > a hardware issue, but instead it is just extremely active.
> > 
> > We've never had these issues before.  They just started 
> > showing up a few weeks ago.
> 
> And what happened then? Did you add a new PHP 
> page/functionality, by any chance?
> 
> > 
> > I will see about running the access log for a short period of time.
> 
> Logging is an important part of web-serving. If your server 
> is so busy that you have to cut corners by suppressing 
> logging, that would be a good reason to invest in a more 
> powerful server.
> 
> BTW, it wasn't clear from your original post - do the alerts 
> you see coincide with the entire apache server hanging or 
> crashing? Or is it just one daemon that dies (ie, the browser 
> session dies but you can access from elsewhere)?
> 
> Rgds,
> Owen Boyle
> Disclaimer: Any disclaimer attached to this message may be ignored. 
> 
> > 
> > Thanks.
> > 
> > -----------------------------------
> > Graham Frank
> > (608) 359-1593
> > Neoservers LLC - http://www.neoservers.com/
> > Founder/Owner
> > 
> > -----Original Message-----
> > From:  Boyle Owen
> > Date:  12/5/05 2:26 am
> > To:  users@httpd.apache.org
> > Subj:  RE: [users@httpd] Child errors causing Apache to exit
> > 
> > > -----Original Message-----
> > > From: Graham Frank [mailto:gfrank@neoservers.com]
> > > Sent: Sonntag, 4. Dezember 2005 02:46
> > > To: users@httpd.apache.org
> > > Subject: [users@httpd] Child errors causing Apache to exit
> > > 
> > > 
> > > 
> > > So I've been paying attention to my ErrorLog lately as Apache 
> > > has been crashing
> > > about once per day with errors such as:
> > > 
> > > [Thu Dec  1 10:00:02 2005] [alert] Child 27698 returned a 
> > > Fatal error...
> > > \nApache is exiting!
> > > [Fri Dec  2 07:05:02 2005] [alert] Child 30200 returned a 
> > > Fatal error...
> > > \nApache is exiting!
> > > 
> > > Well, that's fine and all that it is at least telling me that 
> > > it crashed, but
> > > how about a little more information?
> > 
> > How about a little more information? OS? Apache version? What 
> > modules are compiled in & loaded? What additional 
> > applications are involved (mod_perl, SSL, PHP, SQL etc)?
> > 
> > Also, cross reference the alerts with the access list using 
> > the timestamp and identify the requests that are causing the 
> > crashes. Then re-issue the request and try to reproduce it. 
> > 
> > Note that the error condition is arising in a low-level call 
> > which may not be aware which application called it - hence 
> > the lack of details...
> > 
> > Rgds,
> > Owen Boyle
> > Disclaimer: Any disclaimer attached to this message may be ignored. 
> > 
> > > 
> > > Is there any way I can get Apache to be a bit more useful 
> > > when it comes to
> > > figuring out why the children are returning fatal errors?  I 
> > > can't fix the
> > > problem if I don't know what the problem is or any clues 
> > > hinting to it.
> > > 
> > > Thanks!
> > > 
> > > --------------------------------------------------------------
> > > ------------------
> > > Graham Frank
> > > (608) 359-1593
> > > Neoservers LLC (http://www.neoservers.com/)
> > > Founder and Owner
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > 
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> > Server Project.
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> > 
> > 
> > 
> ---------------------------------------------------------------------
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> > Server Project.
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> > 
> 
> ---------------------------------------------------------------------
> 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@httpd.apache.org
>    "   from the digest: users-digest-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
> 
> 
> 
> ---------------------------------------------------------------------
> 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@httpd.apache.org
>    "   from the digest: users-digest-unsubscribe@httpd.apache.org
> For additional commands, e-mail: users-help@httpd.apache.org
> 
> 

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