Webmail interface does not show up - blank page is shown

Refers to:

  • Plesk 11.0 for Linux
  • Plesk 11.5 for Linux
  • Plesk

Created:

2016-11-16 13:21:38 UTC

Modified:

2016-12-21 20:32:35 UTC

0

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Webmail interface does not show up - blank page is shown

Symptoms

Webmail interface does not show up on any domains associated with this server. Page seems to be blank.The following errors appear in Apache log file:

/var/log/httpd/error_log
--->8---
[Thu Sep 19 12:30:49 2013] [error] [client 91.204.25.44] PHP Warning: Unknown: open_basedir restriction in effect. File() is not within the allowed path(s): (/usr/share/psa-horde:/etc/psa-webmail/horde/:/tmp/:/var/tmp/:/var/log/psa-horde:/usr/share/doc/:/usr/share/psa-pear/) in Unknown on line 0
[Thu Sep 19 12:30:49 2013] [error] [client 91.204.25.44] PHP Fatal error: Can't load /usr/share/psa-horde/imp/login.php, open_basedir restriction. in Unknown on line 0
---8<---

Cause

This error may be caused by used eAccelerator PHP plugin.

~# php -v
PHP 5.3.20 (cli) (built: Jan 3 2013 18:33:05)
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies
with eAccelerator v0.9.6, Copyright (c) 2004-2010 eAccelerator, by eAccelerator
with the ionCube PHP Loader v4.2.2, Copyright (c) 2002-2012, by ionCube Ltd.

Resolution

To resolve the issue disable eAccelerator plug-in.

To do so modify /etc/php.d/eaccelerator.ini file and comment out the following line:

/etc/php.d/eaccelerator.ini
--->8---
;extension="eaccelerator.so"
---8<---

Alternatively, eAccelerator may be enabled in /etc/php.ini:

/etc/php.ini
--->8---
;zend_extension="/usr/local/eaccelerator/eaccelerator.so"
;eaccelerator.shm_size="16"
;eaccelerator.cache_dir="/var/eaccelerator"
;eaccelerator.enable="1"
;eaccelerator.optimizer="1"
;eaccelerator.check_mtime="1"
;eaccelerator.debug="0"
;eaccelerator.filter=""
;eaccelerator.shm_max="0"
;eaccelerator.shm_ttl="0"
;eaccelerator.shm_prune_period="0"
;eaccelerator.shm_only="0"
;eaccelerator.compress="1"
;eaccelerator.compress_level="9"
---8<---
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