MediaWiki 1.24.1
SQLite 3.7.7.1
PHP 5.4.7
MW now and then fails with:
[0ee128ad] /mw-1241-sq/index.php/Main_Page Exception from line 721 of ...\includes\db\DatabaseSqlite.php: Error in BEGIN query: There is already an active transaction Backtrace: #0 ...\includes\db\Database.php(3514): DatabaseSqlite->doBegin(string) #1 ...\includes\db\Database.php(1088): DatabaseBase->begin(string) #2 ...\includes\db\Database.php(1650): DatabaseBase->query(string, string) #3 ...\includes\db\Database.php(1739): DatabaseBase->select(string, array, array, string, array, array) #4 ...\includes\cache\LocalisationCache.php(1156): DatabaseBase->selectRow(string, array, array, string) #5 ...\includes\cache\LocalisationCache.php(346): LCStoreDB->get(string, string) #6 ...\includes\cache\LocalisationCache.php(257): LocalisationCache->loadItem(string, string) #7 ...\languages\Language.php(3187): LocalisationCache->getItem(string, string) #8 ...\includes\specialpage\SpecialPageFactory.php(644): Language->getSpecialPageAliases() #9 ...\includes\specialpage\SpecialPage.php(69): SpecialPageFactory::getLocalNameFor(string, string)
or
Original exception: [16bdabd7] /mw-1241-sq/index.php?title=SetParserTemplateUsage&action=purge Exception from line 721 of ...\includes\db\DatabaseSqlite.php: Error in BEGIN query: There is already an active transaction Backtrace: #0 ...\includes\db\Database.php(3514): DatabaseSqlite->doBegin(string) #1 ...\includes\db\Database.php(1088): DatabaseBase->begin(string) #2 ...\includes\db\Database.php(1650): DatabaseBase->query(string, string) #3 [internal function]: DatabaseBase->select(string, string, array, string) #4 ...\includes\db\LoadBalancer.php(1216): call_user_func_array(array, array) #5 ...\includes\jobqueue\JobQueueDB.php(617): DBConnRef->__call(string, array) #6 ...\includes\jobqueue\JobQueueDB.php(617): DBConnRef->select(string, string, array, string) #7 ...\includes\jobqueue\JobQueue.php(666): JobQueueDB->doGetSiblingQueuesWithJobs(array) #8 ...\includes\jobqueue\JobQueueGroup.php(284): JobQueue->getSiblingQueuesWithJobs(array) #9 ...\includes\jobqueue\JobQueueGroup.php(265): JobQueueGroup->getQueuesWithJobs() #10 ...\includes\MediaWiki.php(650): JobQueueGroup->queuesHaveJobs(integer) #11 ...\includes\MediaWiki.php(446): MediaWiki->triggerJobs() #12 ...\index.php(46): MediaWiki->run() #13 {main}