CiviCRM Community Forums (archive)

I maintain a live installation of CiviCRM as well as a couple different staging installations on the same server.

After upgrading from CiviCRM 4.1 to 4.4 I'm having trouble synchronizing the live site to the staging site.

This topic http://forum.civicrm.org/index.php/topic,25529.0.html helped me narrow down the problem, but not get to a solution.

Here is what I'm experiencing:

• My live site works and is running CiviCRM 4.4.3 on Drupal 7.23
• My live site file-system lives at /var/sites/bikesnotbombs.org/ and my staging site is entirely separate at /var/sites/upgrades.bikesnotbombs.org/
• I run a script that does the following: rsync (with delete) the whole live site file-system to the staging site, except for one very small custom PHP file containing the database credentials for each site (this file is referenced by settings.php and civicrm.settings.php). Then drop and create fresh databases for staging drupal and Civi. Then sync live drupal and civi databases to fresh staging databases. Then run drush cc civicrm from within the staging site. Presto. This technique has been working well for me, mostly unchanged, since CiviCRM 2
• But now when I take these steps after upgrading my live site to Civi 4.4, I visit staging site home page and I get an Apache white screen of death

My Apache error log looks like:
PHP Fatal error:  Cannot redeclare class CRM_Core_ClassLoader in /var/sites/upgrades.bikesnotbombs.org/drupal/sites/all/modules/civicrm/CRM/Core/ClassLoader.php on line 36

I tried the technique described here: http://forum.civicrm.org/index.php/topic,25529.msg108081.html#msg108081 to see all the included files. Strangely enough, files from my live site are being included in the PHP runtime for the staging site. Of the many many files listed, here are the last 6 lines of output I see:
/var/sites/upgrades.bikesnotbombs.org/drupal/sites/all/modules/views/plugins/views_plugin_row_fields.inc
/var/sites/upgrades.bikesnotbombs.org/drupal/sites/all/modules/views/plugins/views_plugin_row.inc
/var/sites/bikesnotbombs.org/drupal/sites/all/modules/civicrm/CRM/Core/ClassLoader.php
/var/sites/bikesnotbombs.org/drupal/sites/all/modules/civicrm/packages/IDS/vendors/htmlpurifier/HTMLPurifier/Bootstrap.php
/var/sites/upgrades.bikesnotbombs.org/drupal/sites/default/civicrm.settings.php
/var/sites/upgrades.bikesnotbombs.org/drupal/sites/all/modules/civicrm/CRM/Core/ClassLoader.php
(I wouldn't expect to see any files under /var/sites/bikesnotbombs.org/ being included. Strange.)

I've tried grep -r -I 'bikesnotbombs\.org' .   to look for any files configured to point statically to my live site's location in the file-system and came up with nothing relevant. So it seems that only leaves the databases as the culprit.

In my staging site I try drush cc all and get the same error that shows in my Apache error log. If I do drush pm-disable civicrm then I am able to run drush cc all as well as load the home page with no errors, but if I try drush pm-enable civicrm I get that pesky "Cannot redeclare..." error again.

How can I sync my live site to a staging site without encountering this error?

FYI, I had this issue as well last week and started a discussion on it. Also brought it up on irc and I believe there is a plan to deal with this, although I do not have further details on exactly what/when it will be fixed.

http://forum.civicrm.org/index.php/topic,31366.msg134439.html#msg134439

Hi All,

I am also having issues with this.

PHP Fatal error:  Cannot redeclare class CRM_Core_ClassLoader in /var/www/dev.domain.com/www/sites/all/modules/civicrm/CRM/Core/ClassLoader.php on line 36
Drush command terminated abnormally due to an unrecoverable error.                                                                                                     [error]
Error: Cannot redeclare class CRM_Core_ClassLoader in /var/www/dev.domain.com/www/sites/all/modules/civicrm/CRM/Core/ClassLoader.php, line 36

I have tried the steps listed by Sean, but no success.

I grep'd the directory and only found a single instance of class CRM_Core_ClassLoader.

Does anyone know if this is perhaps a drush issue?

Any other ideas on how to fix this?

Thanks.