<?xml version="1.0" encoding="utf-8"?>
<api>
  <error code="internal_api_error" info="Exception Caught: DB connection error: No such file or directory (localhost)">

#0 /var/www/includes/LoadBalancer.php(459): Database->reportConnectionError('Unknown error (...')
#1 /var/www/includes/LoadBalancer.php(386): LoadBalancer->reportConnectionError(Object(DatabaseMysql))
#2 /var/www/includes/LoadBalancer.php(362): LoadBalancer->openConnection(0, true)
#3 [internal function]: LoadBalancer->getConnection(-1, true, Array)
#4 /var/www/includes/StubObject.php(32): call_user_func_array(Array, Array)
#5 /var/www/includes/StubObject.php(40): StubObject->_call('getConnection', Array)
#6 /var/www/includes/GlobalFunctions.php(2265): StubObject->__call('getConnection', Array)
#7 /var/www/includes/GlobalFunctions.php(2265): StubObject->getConnection(-1, true, Array)
#8 /var/www/includes/api/ApiQuery.php(85): wfGetDB(-1)
#9 /var/www/includes/api/ApiQueryBase.php(315): ApiQuery->getDB()
#10 /var/www/includes/api/ApiQueryAllpages.php(52): ApiQueryBase->getDB()
#11 /var/www/includes/api/ApiQueryAllpages.php(39): ApiQueryAllpages->run()
#12 /var/www/includes/api/ApiQuery.php(153): ApiQueryAllpages->execute()
#13 /var/www/includes/api/ApiMain.php(225): ApiQuery->execute()
#14 /var/www/includes/api/ApiMain.php(137): ApiMain->executeAction()
#15 /var/www/includes/api/ApiMain.php(126): ApiMain->executeActionWithErrorHandling()
#16 /var/www/api.php(38): ApiMain->execute()
#17 {main}

</error>
</api>