Plesk 500 Error

mkandoll · Jul 12, 2011

-bash-3.2# cat /usr/local/psa/version
9.5.1 CentOS 5 95100414.15

Attempting to access Plesk on 8443 in a browser shows a 500 error.

<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>500 - Internal Server Error</title>
</head>
<body>
<h1>500 - Internal Server Error</h1>
</body>

</html>

This VPS was restored from a backup yesterday on a different server than it was originally on. The VPS starts, services run, and everything seems to be generally functional. A few things I looked at are shown below.

-bash-3.2# service psa status
sw-cp-serverd (pid 28597) is running...

-bash-3.2# ls -l /usr/lib64/sw-cp-server/sw-suexec
-rws--x--- 1 root 15517 383648 Apr 1 2010 /usr/lib64/sw-cp-server/sw-suexec

-bash-3.2# ls -l /usr/bin/sw-engine-cgi
-rwxr-xr-x 1 root root 8357533 Dec 6 2009 /usr/bin/sw-engine-cgi

-bash-3.2# ls -l /usr/local/psa/admin/bin/php
lrwxrwxrwx 1 root psaadm 37 Apr 19 2010 /usr/local/psa/admin/bin/php -> /usr/local/psa/bin/sw-engine-pleskrun

-bash-3.2# ls -l /usr/local/psa/bin/sw-engine-pleskrun
-rwxr-xr-x 1 root root 15496 Apr 9 2010 /usr/local/psa/bin/sw-engine-pleskrun

-bash-3.2# rpm -V sw-engine
.......T /usr/bin/sw-engine
.......T /usr/bin/sw-engine-cgi
.......T /usr/lib64/php/modules/sw-engine/ioncube_loader_lin_5.2.so

-bash-3.2# grep psaadm /etc/group
psaadm:x:502

saadm,sw-cp-server
swkey-data:x:503

saadm
psaserv:x:504:apache,psaftp,psaadm

-bash-3.2# tail error_log
2011-07-12 08:22:41: (mod_fastcgi.c.1012) If this is PHP on Gentoo add fastcgi to the USE flags
2011-07-12 08:22:41: (mod_fastcgi.c.1105) [ERROR]: spawning fcgi failed.
2011-07-12 08:56:25: (mod_fastcgi.c.966) Cannot execute /usr/lib64/sw-cp-server/sw-suexec : Permission denied
2011-07-12 08:56:25: (mod_fastcgi.c.1000) the fastcgi-backend /usr/bin/sw-engine-cgi -c /usr/local/psa/admin/conf/php.ini -d auto_prepend_file=auth.php3 -u psaadm failed to start:
2011-07-12 08:56:25: (mod_fastcgi.c.1004) child exited with status 13 /usr/bin/sw-engine-cgi -c /usr/local/psa/admin/conf/php.ini -d auto_prepend_file=auth.php3 -u psaadm
2011-07-12 08:56:25: (mod_fastcgi.c.1007) if you try do run PHP as FastCGI backend make sure you use the FastCGI enabled version.
You can find out if it is the right one by executing 'php -v' and it should display '(cgi-fcgi)' in the output, NOT (cgi) NOR (cli)
For more information check http://www.lighttpd.net/documentation/fastcgi.html#preparing-php-as-a-fastcgi-program
2011-07-12 08:56:25: (mod_fastcgi.c.1012) If this is PHP on Gentoo add fastcgi to the USE flags
2011-07-12 08:56:25: (mod_fastcgi.c.1105) [ERROR]: spawning fcgi failed.

-bash-3.2# /usr/bin/sw-engine-cgi -c /usr/local/psa/admin/conf/php.ini -d auto_p repend_file=auth.php3 -u psaadm -e
PHP Notice: Undefined index: REQUEST_URI in /usr/local/psa/admin/auto_prepend/ auth.php3 on line 30
Expires: Fri, 28 May 1999 00:00:00 GMT
Last-Modified: Tue, 12 Jul 2011 16:35:51 GMT
Cache-Control: no-store, no-cache, must-revalidate
Cache-Control: post-check=0, pre-check=0
Pragma: no-cache
P3P: CP="NON COR CURa ADMa OUR NOR UNI COM NAV STA"
Content-type: text/html

<html><head><title></title>
<script language="javascript" type="text/javascript" src="/javascript/c ommon.js?plesk_version=psa-9.5.1-95100414.15"/></script>
<script language="javascript" type="text/javascript" src="/javascript/p rototype.js?plesk_version=psa-9.5.1-95100414.15"></script>
<script>
var opt_no_frames = false;
var opt_integrated_mode = false;
</script>

</head><body onLoad=";top.location='/login.php3';"></body></html><!--__ ________________________________________________________________________________________________________________________________________________________________ ____________________________________________________________________________IE error page size limitation_______________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________

I was also able to confirm the mysql database for psa is accessable with the plesk admin password.

What steps should I take to allow Plesk to function normally?

mkandoll · Jul 13, 2011

I was able to solve the issue on my own by running chgrp psaadm /usr/lib64/sw-cp-server/sw-suexec

Plesk 500 Error

mkandoll

New Pleskian

mkandoll

New Pleskian

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