<?xml version="1.0"?> <api> <error code="internal_api_error_DBConnectionError" info="Exception Caught: DB connection error: Too many connections (localhost)" xml:space="preserve"> #0 /var/www/clockss-documents/mediawiki/includes/db/LoadBalancer.php(726): DatabaseBase->reportConnectionError('Unknown error (...') #1 /var/www/clockss-documents/mediawiki/includes/db/LoadBalancer.php(492): LoadBalancer->reportConnectionError() #2 /var/www/clockss-documents/mediawiki/includes/GlobalFunctions.php(3499): LoadBalancer->getConnection(-1, Array, false) #3 /var/www/clockss-documents/mediawiki/includes/ChangeTags.php(267): wfGetDB(-1) #4 /var/www/clockss-documents/mediawiki/includes/api/ApiFeedContributions.php(172): ChangeTags::listDefinedTags() #5 /var/www/clockss-documents/mediawiki/includes/api/ApiBase.php(557): ApiFeedContributions->getAllowedParams(0) #6 /var/www/clockss-documents/mediawiki/includes/api/ApiBase.php(653): ApiBase->getFinalParams() #7 /var/www/clockss-documents/mediawiki/includes/api/ApiMain.php(715): ApiBase->extractRequestParams() #8 /var/www/clockss-documents/mediawiki/includes/api/ApiMain.php(819): ApiMain->setupModule() #9 /var/www/clockss-documents/mediawiki/includes/api/ApiMain.php(380): ApiMain->executeAction() #10 /var/www/clockss-documents/mediawiki/includes/api/ApiMain.php(351): ApiMain->executeActionWithErrorHandling() #11 /var/www/clockss-documents/mediawiki/api.php(77): ApiMain->execute() #12 {main} </error> </api>