MediaWiki internal error.
Original exception: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT smw_id,smw_sortkey FROM `smw_object_ids` WHERE smw_title = 'Author' AND smw_namespace = '102' AND smw_iw = '' AND smw_subobject = '' LIMIT 1
Function: SMWSql3SmwIds::getDatabaseIdAndSort
Error: 1927 Lost connection to backend server: connection closed by peer (server3: Generated event) (database_maxscale:4006)
' in /var/www/ISWiki/prod/current/lib/includes/db/Database.php:918
Stack trace:
#0 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(885): DatabaseBase->reportQueryError('Lost connection...', 1927, 'SELECT smw_id,...', 'SMWSql3SmwIds::...', false)
#1 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1358): DatabaseBase->query('SELECT smw_id,...', 'SMWSql3SmwIds::...')
#2 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1445): DatabaseBase->select('smw_object_ids', Array, Array, 'SMWSql3SmwIds::...', Array, Array)
#3 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(289): DatabaseBase->selectRow('smw_object_ids', Array, Array, 'SMWSql3SmwIds::...')
#4 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(225): SMWSql3SmwIds->getDatabaseIdAndSort('Author', 102, '', '', '', true, false)
#5 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_Sql3SmwIds.php(327): SMWSql3SmwIds->getSMWPageIDandSort('Author', 102, '', '', '', true, false)
#6 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3_Readers.php(166): SMWSql3SmwIds->getSMWPageID('Author', 102, '', '', true)
#7 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SQLStore/SMW_SQLStore3.php(298): SMWSQLStore3Readers->getPropertyValues(Object(SMWDIWikiPage), Object(SMWDIProperty), NULL)
#8 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/dataitems/SMW_DI_Property.php(203): SMWSQLStore3->getPropertyValues(Object(SMWDIWikiPage), Object(SMWDIProperty))
#9 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/storage/SMW_PrintRequest.php(155): SMWDIProperty->findPropertyTypeID()
#10 /var/www/ISWiki/prod/current/lib/extensions/SemanticMaps/SemanticMaps.hooks.php(107): SMWPrintRequest->getTypeID()
#11 [internal function]: SemanticMapsHooks::addGeoCoordsDefaultFormat(false, Array, Array)
#12 /var/www/ISWiki/prod/current/lib/includes/Hooks.php(216): call_user_func_array('SemanticMapsHoo...', Array)
#13 /var/www/ISWiki/prod/current/lib/includes/GlobalFunctions.php(3859): Hooks::run('SMWResultFormat', Array)
#14 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/params/SMW_ParamFormat.php(101): wfRunHooks('SMWResultFormat', Array)
#15 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/params/SMW_ParamFormat.php(48): SMWParamFormat->getDefaultFormat()
#16 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/params/SMW_ParamFormat.php(140): SMWParamFormat->getValidFormatName('auto')
#17 /var/www/ISWiki/prod/current/lib/extensions/Validator/includes/definitions/ParamDefinition.php(719): SMWParamFormat->formatValue('auto', Object(Param), Array, Array)
#18 /var/www/ISWiki/prod/current/lib/extensions/Validator/includes/Param.php(213): ParamDefinition->format(Object(Param), Array, Array)
#19 /var/www/ISWiki/prod/current/lib/extensions/Validator/includes/Validator.php(341): Param->format(Array, Array, Object(ValidatorOptions))
#20 /var/www/ISWiki/prod/current/lib/extensions/Validator/includes/Validator.php(281): Validator->doParamProcessing()
#21 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/SMW_QueryProcessor.php(59): Validator->validateParameters()
#22 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/SMW_QueryProcessor.php(424): SMWQueryProcessor::getProcessedParams(Array, Array)
#23 /var/www/ISWiki/prod/current/lib/extensions/SemanticMediaWiki/includes/parserhooks/SMW_Ask.php(38): SMWQueryProcessor::getQueryAndParamsFromFunctionParams(Array, 2, 1, false)
#24 [internal function]: SMWAsk::render(Object(Parser), '[[Category:File...', 'mainlabel = Nam...', '?Author', '?Year of public...', '?Type of file', '?Project stage', '?Main Topic', 'limit=500', 'headers=plain')
#25 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(3197): call_user_func_array(Array, Array)
#26 /var/www/ISWiki/prod/current/lib/includes/parser/Preprocessor_DOM.php(1043): Parser->braceSubstitution(Array, Object(PPFrame_DOM))
#27 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(2986): PPFrame_DOM->expand(Object(PPNode_DOM), 0)
#28 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(1099): Parser->replaceVariables('?{{#ask:[[Categ...')
#29 /var/www/ISWiki/prod/current/lib/includes/parser/Parser.php(345): Parser->internalParse('?{{#ask:[[Categ...')
#30 /var/www/ISWiki/prod/current/lib/includes/WikiPage.php(2914): Parser->parse('?{{#ask:[[Categ...', Object(Title), Object(ParserOptions), true, true, 69072)
#31 /var/www/ISWiki/prod/current/lib/includes/PoolCounter.php(187): PoolWorkArticleView->doWork()
#32 /var/www/ISWiki/prod/current/lib/includes/Article.php(587): PoolCounterWork->execute()
#33 /var/www/ISWiki/prod/current/lib/includes/actions/ViewAction.php(40): Article->view()
#34 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(484): ViewAction->show()
#35 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(278): MediaWiki->performAction(Object(Article))
#36 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(593): MediaWiki->performRequest()
#37 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(503): MediaWiki->main()
#38 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#39 {main}
Exception caught inside exception handler: exception 'DBQueryError' with message 'A database error has occurred. Did you forget to run maintenance/update.php after upgrading? See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script
Query: SELECT value,exptime FROM `objectcache` WHERE keyname = 'webmol_energypedia:resourceloader:filter:minify-css:7:c88e2bcd56513749bec09a7e29cb3ffa' LIMIT 1
Function: SqlBagOStuff::get
Error: 1927 Lost connection to backend server: connection closed by peer (server3: Generated event) (database_maxscale:4006)
' in /var/www/ISWiki/prod/current/lib/includes/db/Database.php:918
Stack trace:
#0 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(885): DatabaseBase->reportQueryError('Lost connection...', 1927, 'SELECT value,e...', 'SqlBagOStuff::g...', false)
#1 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1358): DatabaseBase->query('SELECT value,e...', 'SqlBagOStuff::g...')
#2 /var/www/ISWiki/prod/current/lib/includes/db/Database.php(1445): DatabaseBase->select('objectcache', Array, Array, 'SqlBagOStuff::g...', Array, Array)
#3 /var/www/ISWiki/prod/current/lib/includes/objectcache/SqlBagOStuff.php(124): DatabaseBase->selectRow('objectcache', Array, Array, 'SqlBagOStuff::g...')
#4 /var/www/ISWiki/prod/current/lib/includes/resourceloader/ResourceLoader.php(149): SqlBagOStuff->get('webmol_energype...')
#5 /var/www/ISWiki/prod/current/lib/includes/resourceloader/ResourceLoader.php(783): ResourceLoader->filter('minify-css', 'a:lang(ar), a:l...')
#6 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(2594): ResourceLoader->makeModuleResponse(Object(ResourceLoaderContext), Array)
#7 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(3310): OutputPage->makeResourceLoaderLink(Array, 'styles')
#8 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(2407): OutputPage->buildCssLinks()
#9 /var/www/ISWiki/prod/current/lib/includes/SkinTemplate.php(465): OutputPage->headElement(Object(SkinIswiki))
#10 /var/www/ISWiki/prod/current/lib/includes/OutputPage.php(1982): SkinTemplate->outputPage()
#11 /var/www/ISWiki/prod/current/lib/includes/Exception.php(182): OutputPage->output()
#12 /var/www/ISWiki/prod/current/lib/includes/Exception.php(209): MWException->reportHTML()
#13 /var/www/ISWiki/prod/current/lib/includes/Exception.php(490): MWException->report()
#14 /var/www/ISWiki/prod/current/lib/includes/Exception.php(569): MWExceptionHandler::report(Object(DBQueryError))
#15 /var/www/ISWiki/prod/current/lib/includes/Wiki.php(506): MWExceptionHandler::handle(Object(DBQueryError))
#16 /var/www/ISWiki/prod/current/lib/index.php(58): MediaWiki->run()
#17 {main}