[TYPO3-install] Migration from 6.1.9 to 6.2.11 - strange Scheduler/ClassLoader problems

[Alexander Wende]

Hi, 

I'm trying to migrate our TYPO3 6.1.9 to TYPO3 6.2.11.

On my ubuntu development machine everything works fine. On my debian production machine, I created a copy of the production vhost for the migration. So I have exactly the same enviroment and user rights. (I checked this)
When I try to execute the cli_dispatch.phpsh script on the migration vhost, first everything is fine. Then when I try to execute it again, I got an exception that some classes could not be loaded.  Now the same exception occurs in the backend too.  If I clear the cache with the installtool or delete typo3temp/Cache/* it works again for one time.

error and exception stack:
PHP Warning:  Uncaught exception 'TYPO3\CMS\Core\Error\Exception' with message 'PHP Warning: require_once(/var/www/vhosts/relaunch-62.xxx.de/htdocs/typo3conf/ext/xxx_securedownloads/Classes/Resource/Driver/LocalSecureDriver.php): failed to open stream: No such file or directory in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php line 197' in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Error/ErrorHandler.php:101
Stack trace:
#0 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php(197): TYPO3\CMS\Core\Error\ErrorHandler->handleError(2, 'require_once(/v...', '/typo3/typo3_sr...', 197, Array)
#1 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php(197): TYPO3\CMS\Core\Core\ClassLoader::loadClass()
#2 [internal function]: TYPO3\CMS\Core\Core\ClassLoader->loadClass('xxx\\xxxSecu...')
#3 [internal function]: spl_autoload_call('xxx\\xxxSecu...')
#4 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Resource/Driver/DriverRegistry.php(56): class_exists('XXX in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Error/ErrorHandler.php on line 101

Warning: Uncaught exception 'TYPO3\CMS\Core\Error\Exception' with message 'PHP Warning: require_once(/var/www/vhosts/relaunch-62.xxx.de/htdocs/typo3conf/ext/xxx_securedownloads/Classes/Resource/Driver/LocalSecureDriver.php): failed to open stream: No such file or directory in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php line 197' in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Error/ErrorHandler.php:101
Stack trace:
#0 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php(197): TYPO3\CMS\Core\Error\ErrorHandler->handleError(2, 'require_once(/v...', '/typo3/typo3_sr...', 197, Array)
#1 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php(197): TYPO3\CMS\Core\Core\ClassLoader::loadClass()
#2 [internal function]: TYPO3\CMS\Core\Core\ClassLoader->loadClass('xxx\\xxxSecu...')
#3 [internal function]: spl_autoload_call('xxx\\xxxSecu...')
#4 /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Resource/Driver/DriverRegistry.php(56): class_exists('XXX in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Error/ErrorHandler.php on line 101
PHP Fatal error:  TYPO3\CMS\Core\Core\ClassLoader::loadClass(): Failed opening required '/var/www/vhosts/relaunch-62.xxx.de/htdocs/typo3conf/ext/xxx_securedownloads/Classes/Resource/Driver/LocalSecureDriver.php' (include_path='/relaunch-62.xxx.de/htdocs/typo3/contrib/pear/:.:/usr/share/php:/usr/share/pear') in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php on line 197

Fatal error: TYPO3\CMS\Core\Core\ClassLoader::loadClass(): Failed opening required '/var/www/vhosts/relaunch-62.xxx.de/htdocs/typo3conf/ext/xxx_securedownloads/Classes/Resource/Driver/LocalSecureDriver.php' (include_path='/relaunch-62.xxx.de/htdocs/typo3/contrib/pear/:.:/usr/share/php:/usr/share/pear') in /typo3/typo3_src-6.2.11/typo3/sysext/core/Classes/Core/ClassLoader.php on line 197



When I uninstall the related extension, then the error occurs simply with an other extension. When I remove all extension, then the error occurs with core classes.

The cli_dispatch.phpsh script of the production vhost works fine.

Is this a bug???

I would be grateful for any advices!

Thanks
Alex