<?xml version="1.0"?>
<api>
  <error code="internal_api_error_DBConnectionError" info="Exception Caught: DB connection error: Can&#039;t connect to local MySQL server through socket &#039;/var/run/mysqld/mysqld.sock&#039; (2) (localhost)" xml:space="preserve">

#0 /data/var/lib/mediawiki/core/includes/db/LoadBalancer.php(754): DatabaseBase->reportConnectionError('Unknown error (...')
#1 /data/var/lib/mediawiki/core/includes/db/LoadBalancer.php(477): LoadBalancer->reportConnectionError()
#2 /data/var/lib/mediawiki/core/includes/GlobalFunctions.php(3709): LoadBalancer->getConnection(-1, Array, false)
#3 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(1159): wfGetDB(-1)
#4 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(404): LCStoreDB->get('en', 'deps')
#5 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(450): LocalisationCache->isExpired('en')
#6 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(326): LocalisationCache->initLanguage('en')
#7 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(260): LocalisationCache->loadItem('en', 'namespaceNames')
#8 /data/var/lib/mediawiki/core/languages/Language.php(516): LocalisationCache->getItem('en', 'namespaceNames')
#9 /data/var/lib/mediawiki/core/languages/Language.php(591): Language->getNamespaces()
#10 /data/var/lib/mediawiki/core/includes/Title.php(705): Language->getNsText(2)
#11 /data/var/lib/mediawiki/core/includes/Title.php(428): Title::makeName(2, 'testuser', '', '')
#12 /data/var/lib/mediawiki/core/includes/api/ApiBase.php(1311): Title::makeTitleSafe(2, 'testuser')
#13 /data/var/lib/mediawiki/core/includes/api/ApiBase.php(1151): ApiBase->validateUser('testuser', 'name')
#14 /data/var/lib/mediawiki/core/includes/api/ApiBase.php(697): ApiBase->getParameterFromSettings('name', Array, true)
#15 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(765): ApiBase->extractRequestParams()
#16 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(896): ApiMain->setupModule()
#17 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(363): ApiMain->executeAction()
#18 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(334): ApiMain->executeActionWithErrorHandling()
#19 /data/var/lib/mediawiki/core/api.php(85): ApiMain->execute()
#20 {main}

</error>
</api>