{
    "error": {
        "code": "internal_api_error_DBConnectionError",
        "info": "Exception Caught: DB connection error: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) (localhost)",
        "*": "\n\n#0 /data/var/lib/mediawiki/core/includes/db/LoadBalancer.php(754): DatabaseBase->reportConnectionError('Unknown error (...')\n#1 /data/var/lib/mediawiki/core/includes/db/LoadBalancer.php(477): LoadBalancer->reportConnectionError()\n#2 /data/var/lib/mediawiki/core/includes/GlobalFunctions.php(3709): LoadBalancer->getConnection(-1, Array, false)\n#3 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(1159): wfGetDB(-1)\n#4 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(404): LCStoreDB->get('en', 'deps')\n#5 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(450): LocalisationCache->isExpired('en')\n#6 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(326): LocalisationCache->initLanguage('en')\n#7 /data/var/lib/mediawiki/core/includes/cache/LocalisationCache.php(260): LocalisationCache->loadItem('en', 'namespaceNames')\n#8 /data/var/lib/mediawiki/core/languages/Language.php(516): LocalisationCache->getItem('en', 'namespaceNames')\n#9 /data/var/lib/mediawiki/core/languages/Language.php(573): Language->getNamespaces()\n#10 /data/var/lib/mediawiki/core/includes/api/ApiQuerySiteinfo.php(274): Language->getFormattedNamespaces()\n#11 /data/var/lib/mediawiki/core/includes/api/ApiQuerySiteinfo.php(48): ApiQuerySiteinfo->appendNamespaces('namespaces')\n#12 /data/var/lib/mediawiki/core/includes/api/ApiQuery.php(282): ApiQuerySiteinfo->execute()\n#13 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(913): ApiQuery->execute()\n#14 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(363): ApiMain->executeAction()\n#15 /data/var/lib/mediawiki/core/includes/api/ApiMain.php(334): ApiMain->executeActionWithErrorHandling()\n#16 /data/var/lib/mediawiki/core/api.php(85): ApiMain->execute()\n#17 {main}\n\n"
    }
}