Exception encountered, of type "RuntimeException"
[2ba110049bfa9157f442aa56] /wiki/Atlanta,_Georgia RuntimeException from line 255 of /opt/mediawiki/extensions/SemanticMediaWiki/src/MediaWiki/Database.php: DB connection error: Connection refused (datatier-s10.openei.org)
#0 /opt/mediawiki/includes/db/DatabaseMysqlBase.php(119): DatabaseBase->reportConnectionError(':real_connect()...')
#1 /opt/mediawiki/includes/db/DatabaseMysqlBase.php(620): DatabaseMysqlBase->open('datatier-s10.op...', 'wikiuser', 'wikiwiki', 'wikidb')
#2 /opt/mediawiki/includes/db/Database.php(875): DatabaseMysqlBase->ping()
#3 /opt/mediawiki/extensions/SemanticMediaWiki/src/MediaWiki/Database.php(253): DatabaseBase->query('DROP TEMPORARY ...', 'SMW\\SQLStore\\Qu...', false)
#4 /opt/mediawiki/extensions/SemanticMediaWiki/src/SQLStore/QueryEngine/QuerySegmentListProcessor.php(323): SMW\MediaWiki\Database->query('DROP TEMPORARY ...', 'SMW\\SQLStore\\Qu...')
#5 /opt/mediawiki/extensions/SemanticMediaWiki/src/SQLStore/QueryEngine/QueryEngine.php(237): SMW\SQLStore\QueryEngine\QuerySegmentListProcessor->cleanUp()
#6 /opt/mediawiki/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(402): SMW\SQLStore\QueryEngine\QueryEngine->getQueryResult(Object(SMWQuery))
#7 /opt/mediawiki/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(392): SMWSQLStore3->fetchQueryResult(Object(SMWQuery))
#8 /opt/mediawiki/extensions/SemanticMediaWiki/includes/query/SMW_QueryProcessor.php(455): SMWSQLStore3->getQueryResult(Object(SMWQuery))
#9 /opt/mediawiki/extensions/SemanticMediaWiki/includes/parserhooks/AskParserFunction.php(194): SMWQueryProcessor::getResultFromQuery(Object(SMWQuery), Array, 2, 1)
#10 /opt/mediawiki/extensions/SemanticMediaWiki/includes/parserhooks/AskParserFunction.php(115): SMW\AskParserFunction->doFetchResultsForRawParameters(Array)
#11 /opt/mediawiki/extensions/SemanticMediaWiki/src/ParserFunctionFactory.php(277): SMW\AskParserFunction->parse(Array)
#12 [internal function]: SMW\ParserFunctionFactory->SMW\{closure}(Object(Parser), '[[Category:Ince...', 'intro=<div id="...', 'outro=</div>', 'format=ol', 'limit=50', 'searchlabel=Cli...')
#13 /opt/mediawiki/includes/parser/Parser.php(3817): call_user_func_array(Object(Closure), Array)
#14 /opt/mediawiki/includes/parser/Parser.php(3552): Parser->callParserFunction(Object(PPTemplateFrame_DOM), '#ask', Array)
#15 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(Array, Object(PPTemplateFrame_DOM))
#16 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1626): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#17 /opt/mediawiki/includes/parser/Parser.php(3691): PPTemplateFrame_DOM->cachedExpand('Template:Incent...', Object(PPNode_DOM))
#18 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(Array, Object(PPTemplateFrame_DOM))
#19 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1626): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#20 /opt/mediawiki/includes/parser/Parser.php(3691): PPTemplateFrame_DOM->cachedExpand('Template:Lists ...', Object(PPNode_DOM))
#21 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(Array, Object(PPFrame_DOM))
#22 /opt/mediawiki/includes/parser/Parser.php(3366): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#23 /opt/mediawiki/includes/parser/Parser.php(1248): Parser->replaceVariables('{{Place\n|Coordi...')
#24 /opt/mediawiki/includes/parser/Parser.php(446): Parser->internalParse('{{Place\n|Coordi...')
#25 /opt/mediawiki/includes/content/WikitextContent.php(331): Parser->parse('{{Place\n|Coordi...', Object(Title), Object(ParserOptions), true, true, 226669)
#26 /opt/mediawiki/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput(Object(Title), 226669, Object(ParserOptions), true, Object(ParserOutput))
#27 /opt/mediawiki/includes/poolcounter/PoolWorkArticleView.php(140): AbstractContent->getParserOutput(Object(Title), 226669, Object(ParserOptions))
#28 /opt/mediawiki/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#29 /opt/mediawiki/includes/page/Article.php(666): PoolCounterWork->execute()
#30 /opt/mediawiki/includes/actions/ViewAction.php(44): Article->view()
#31 /opt/mediawiki/includes/MediaWiki.php(503): ViewAction->show()
#32 /opt/mediawiki/includes/MediaWiki.php(288): MediaWiki->performAction(Object(Article), Object(Title))
#33 /opt/mediawiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#34 /opt/mediawiki/includes/MediaWiki.php(519): MediaWiki->main()
#35 /opt/mediawiki/index.php(43): MediaWiki->run()
#36 {main}
Backtrace:
#0 /opt/mediawiki/extensions/SemanticMediaWiki/src/SQLStore/QueryEngine/QuerySegmentListProcessor.php(323): SMW\MediaWiki\Database->query(string, string)
#1 /opt/mediawiki/extensions/SemanticMediaWiki/src/SQLStore/QueryEngine/QueryEngine.php(237): SMW\SQLStore\QueryEngine\QuerySegmentListProcessor->cleanUp()
#2 /opt/mediawiki/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(402): SMW\SQLStore\QueryEngine\QueryEngine->getQueryResult(SMWQuery)
#3 /opt/mediawiki/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(392): SMWSQLStore3->fetchQueryResult(SMWQuery)
#4 /opt/mediawiki/extensions/SemanticMediaWiki/includes/query/SMW_QueryProcessor.php(455): SMWSQLStore3->getQueryResult(SMWQuery)
#5 /opt/mediawiki/extensions/SemanticMediaWiki/includes/parserhooks/AskParserFunction.php(194): SMWQueryProcessor::getResultFromQuery(SMWQuery, array, integer, integer)
#6 /opt/mediawiki/extensions/SemanticMediaWiki/includes/parserhooks/AskParserFunction.php(115): SMW\AskParserFunction->doFetchResultsForRawParameters(array)
#7 /opt/mediawiki/extensions/SemanticMediaWiki/src/ParserFunctionFactory.php(277): SMW\AskParserFunction->parse(array)
#8 [internal function]: SMW\ParserFunctionFactory->SMW\{closure}(Parser, string, string, string, string, string, string)
#9 /opt/mediawiki/includes/parser/Parser.php(3817): call_user_func_array(Closure, array)
#10 /opt/mediawiki/includes/parser/Parser.php(3552): Parser->callParserFunction(PPTemplateFrame_DOM, string, array)
#11 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(array, PPTemplateFrame_DOM)
#12 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1626): PPFrame_DOM->expand(PPNode_DOM, integer)
#13 /opt/mediawiki/includes/parser/Parser.php(3691): PPTemplateFrame_DOM->cachedExpand(string, PPNode_DOM)
#14 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(array, PPTemplateFrame_DOM)
#15 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1626): PPFrame_DOM->expand(PPNode_DOM, integer)
#16 /opt/mediawiki/includes/parser/Parser.php(3691): PPTemplateFrame_DOM->cachedExpand(string, PPNode_DOM)
#17 /opt/mediawiki/includes/parser/Preprocessor_DOM.php(1175): Parser->braceSubstitution(array, PPFrame_DOM)
#18 /opt/mediawiki/includes/parser/Parser.php(3366): PPFrame_DOM->expand(PPNode_DOM, integer)
#19 /opt/mediawiki/includes/parser/Parser.php(1248): Parser->replaceVariables(string)
#20 /opt/mediawiki/includes/parser/Parser.php(446): Parser->internalParse(string)
#21 /opt/mediawiki/includes/content/WikitextContent.php(331): Parser->parse(string, Title, ParserOptions, boolean, boolean, integer)
#22 /opt/mediawiki/includes/content/AbstractContent.php(497): WikitextContent->fillParserOutput(Title, integer, ParserOptions, boolean, ParserOutput)
#23 /opt/mediawiki/includes/poolcounter/PoolWorkArticleView.php(140): AbstractContent->getParserOutput(Title, integer, ParserOptions)
#24 /opt/mediawiki/includes/poolcounter/PoolCounterWork.php(123): PoolWorkArticleView->doWork()
#25 /opt/mediawiki/includes/page/Article.php(666): PoolCounterWork->execute()
#26 /opt/mediawiki/includes/actions/ViewAction.php(44): Article->view()
#27 /opt/mediawiki/includes/MediaWiki.php(503): ViewAction->show()
#28 /opt/mediawiki/includes/MediaWiki.php(288): MediaWiki->performAction(Article, Title)
#29 /opt/mediawiki/includes/MediaWiki.php(745): MediaWiki->performRequest()
#30 /opt/mediawiki/includes/MediaWiki.php(519): MediaWiki->main()
#31 /opt/mediawiki/index.php(43): MediaWiki->run()
#32 {main}