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Reply to topic   Topic: Apache 2.4 mod_fcgid: can't run
Author
Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Wed 28 Mar '12 12:55    Post subject: Apache 2.4 mod_fcgid: can't run Reply with quote

Hi all

I hope for your support Smile

I am on a Windows Apache 2.4, 32 bit version, downloaded from this site.

My Apache runs stabil for ½-1 day and it goes down by filling up the log with this error:

Code:
[Wed Mar 28 10:57:25.702325 2012] [fcgid:error] [pid 7328:tid 384] (OS 998)Invalid access to memory location.  : mod_fcgid: can't run C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-cgi.exe
[Wed Mar 28 10:57:25.702325 2012] [fcgid:warn] [pid 7328:tid 384] (OS 998)Invalid access to memory location.  : mod_fcgid: spawn process C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-cgi.exe error


My FCGID settings are:

Code:
LoadModule fcgid_module modules/mod_fcgid.so
<IfModule mod_fcgid.c> 
   AddHandler fcgid-script .php 
   
   # Where to look for the php.ini file? 
   FcgidInitialEnv PHPRC "C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-5.4.0-nts-Win32-VC9-x86" 

   # Set PHP_FCGI_MAX_REQUESTS to greater than or equal to FcgidMaxRequestsPerProcess to prevent php-cgi process from exiting before all requests completed 
   FcgidInitialEnv PHP_FCGI_MAX_REQUESTS 10000 

   # Maximum requests a process should handle before it is terminated 
   FcgidMaxRequestsPerProcess 10000 

   FcgidMinProcessesPerClass 3

   # Maximum number of PHP processes
   FcgidMaxProcesses 1000
   FcgidMaxProcessesPerClass 250

   # Number of seconds of idle time before a php-cgi process is terminated 
   FcgidIOTimeout 120
   FcgidIdleTimeout 300
   
   # If the size of the request body exceeds this amount, the request will fail with 500 Server Error. Set to 1 GB.
   FcgidMaxRequestLen 1048576000

   # Path to php-cgi 
   FcgidWrapper "C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-cgi.exe" .php 

   # Define the MIME-Type for ".php" files 
   AddType application/x-httpd-php .php 
</IfModule>


The server is a dedicated server with 8 cpu cores, 32 GB RAM, only hosting apache and MySQL. I have 50 sites on the server, some of the have heavy trafic sometimes.

I made a script that restarts apache automatisilly when apache goes down, but I very much like you guys to comment on the problem. I am NOT an expert on fastcgi, so please help Smile

Thank you Smile

Kind regards,
Jens
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Thu 29 Mar '12 14:05    Post subject: Reply with quote

anyone? Smile
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Steffen
Moderator


Joined: 15 Oct 2005
Posts: 3049
Location: Hilversum, NL, EU

PostPosted: Thu 29 Mar '12 14:23    Post subject: Reply with quote

No hurry.

Your config has some weird entries, where did you get it ?

Wondering why you have an AddType at the bottom while there is an Addhandler at the top of your config.

This one I do not understand: FcgidInitialEnv PHPRC "C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-5.4.0-nts-Win32-VC9-x86" (two times php-5.4.0-nts-Win32-VC9-x86.

First try it with with the recommended config in the ReadMe:

FcgidInitialEnv PHPRC "c:/php"
FcgidInitialEnv PATH "c:/php;C:/WINDOWS/system32;C:/WINDOWS;C:/WINDOWS/System32/Wbem;"
FcgidInitialEnv SystemRoot "C:/Windows"
FcgidInitialEnv SystemDrive "C:"
FcgidInitialEnv TEMP "C:/WINDOWS/Temp"
FcgidInitialEnv TMP "C:/WINDOWS/Temp"
FcgidInitialEnv windir "C:/WINDOWS"
FcgidIOTimeout 64
FcgidConnectTimeout 16
FcgidMaxRequestsPerProcess 500

<Files ~ "\.php$>"
AddHandler fcgid-script .php
FcgidWrapper "c:/php/php-cgi.exe" .php
</Files>

Remember to substitute the c:/php for your actual path to PHP in the above example, eg in your case C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86

Steffen


Last edited by Steffen on Thu 29 Mar '12 19:04; edited 1 time in total
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Thu 29 Mar '12 17:02    Post subject: Reply with quote

Hi Steffen

Thank you Smile

I found the example on the web, but I replaced it with your example. It ran much quicker and without problems for some hours until it showed this error for all websites:

Code:
Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data.


I have never seen this error before. And there was nothing to see in the log. When I restarted Apache it ran again.

Can you cast some light over it? Is the default example that you gave not fit for a server with many hits? I have 50 sites on the server and some of the sites have 1.000 - 3.000 unique visitors per day.

The server has 8 cpu cores, 32 RAM and 4 HHDs (raid10) and 2 SSDs (raid1 hosting the MySQL databases). So the hardware should not be the problem Smile

Can you help again Smile

Thank you so much Smile
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Steffen
Moderator


Joined: 15 Oct 2005
Posts: 3049
Location: Hilversum, NL, EU

PostPosted: Thu 29 Mar '12 19:06    Post subject: Reply with quote

Doubt that this is a Apache config issue.

Really nothing in the Apache logs or in the Windows Event Viewer ?

Only happens with Chrome ?

See the very long discussion at http://groups.google.com/a/googleproductforums.com/forum/m/#!topic/chrome/E9OS9mS6yc8

Check your antivirus, firewall or shield settings. and check for for malware. Also clear the browser cash and try and disable Chrome extensions.

The extra settings we have here:

FcgidInitialEnv PHP_FCGI_MAX_REQUESTS 1000
FcgidMaxRequestsPerProcess 1000
FcgidMaxProcesses 50
FcgidMaxRequestLen 8131072

And that has quite more visitors then yours.



Steffen
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7288
Location: Germany, Next to Hamburg

PostPosted: Thu 29 Mar '12 21:09    Post subject: Reply with quote

Where did you get this error
Quote:

Error 324 (net::ERR_EMPTY_RESPONSE): The server closed the connection without sending any data.


in your browser?

Do you have a gigabit networkcard in that server? Is it running wiwth gigabit?

--- edit ---
Like Steffen I think it is Chrome related, not Apache
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Thu 29 Mar '12 22:05    Post subject: Reply with quote

Yes it happened in my browsers (Chrome and Firefox) and yes the server is on a 1 gbit internet connection.

I changed the settings to give the fastcgi more speed as Stefen wrote and have not seen the error since.

What can the error be?
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Sat 31 Mar '12 10:55    Post subject: Reply with quote

I did not see this error again, but now I have this error: http://www.apachelounge.com/viewtopic.php?p=21108#21108

Thank you for help! Smile
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Tue 03 Apr '12 9:50    Post subject: Reply with quote

The error is back:
Code:
[Tue Apr 03 09:10:59.958229 2012] [fcgid:error] [pid 5444:tid 396] (OS 998)Invalid access to memory location.  : mod_fcgid: can't run C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-cgi.exe
[Tue Apr 03 09:10:59.958229 2012] [fcgid:warn] [pid 5444:tid 396] (OS 998)Invalid access to memory location.  : mod_fcgid: spawn process C:/Storage/Webserver/Apache1/PHP/php-5.4.0-nts-Win32-VC9-x86/php-cgi.exe error


The error happens 2 times each day and apache finally - after filling up the log - goes down (but it restarted automatically).

Under Server-Status (when the error happened and before the restart) it showed zero fastcgi processes.

I think I better downgrade now - both Apache and PHP... :-/

UPDATE: PHP is now downgraded to 5.3.10. And if the error keeps poping up I will downgrade to Apache 2.2 too.
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Steffen
Moderator


Joined: 15 Oct 2005
Posts: 3049
Location: Hilversum, NL, EU

PostPosted: Tue 03 Apr '12 18:53    Post subject: Reply with quote

Is there some indication in your php.log ?


Steffen
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Sunburst



Joined: 09 Mar 2012
Posts: 20

PostPosted: Thu 19 Apr '12 8:41    Post subject: Reply with quote

Thank you for your fine replies Smile

I got it to work by:
    1) Disabling the new Apache 2.4 disk cache. It was actuall slowing things down.

    2) Running with the example configuration mod_fcgid

    3) Setting MaxConnectionsPerChild down to 50000 in mpm_winnt_modul

So now it is 100% stable running for some weeks Smile

But now I found this gigantic security hole in my settings - please help me here: http://www.apachelounge.com/viewtopic.php?t=4683
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