<?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/lib/mysql/mysql.sock&#039; (111) (localhost)" xml:space="preserve">

#0 /usr/share/mediawiki123/includes/db/LoadBalancer.php(754): DatabaseBase->reportConnectionError('Unknown error (...')
#1 /usr/share/mediawiki123/includes/db/LoadBalancer.php(477): LoadBalancer->reportConnectionError()
#2 /usr/share/mediawiki123/includes/GlobalFunctions.php(3709): LoadBalancer->getConnection(-1, Array, false)
#3 /usr/share/mediawiki123/includes/search/SearchEngine.php(459): wfGetDB(-1)
#4 /usr/share/mediawiki123/includes/api/ApiQuerySearch.php(72): SearchEngine::create()
#5 /usr/share/mediawiki123/includes/api/ApiQuerySearch.php(47): ApiQuerySearch->run()
#6 /usr/share/mediawiki123/includes/api/ApiQuery.php(282): ApiQuerySearch->execute()
#7 /usr/share/mediawiki123/includes/api/ApiMain.php(913): ApiQuery->execute()
#8 /usr/share/mediawiki123/includes/api/ApiMain.php(363): ApiMain->executeAction()
#9 /usr/share/mediawiki123/includes/api/ApiMain.php(334): ApiMain->executeActionWithErrorHandling()
#10 /usr/share/mediawiki123/api.php(85): ApiMain->execute()
#11 {main}

</error>
</api>