Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(70): PDO->__construct() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(100): Illuminate\Database\Connectors\Connector->createPdoConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(50): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #6 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1181): call_user_func() #7 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1217): Illuminate\Database\Connection->getPdo() #8 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(486): Illuminate\Database\Connection->getReadPdo() #9 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(414): Illuminate\Database\Connection->getPdoForSelect() #10 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(753): Illuminate\Database\Connection->Illuminate\Database\{closure}() #11 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #12 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #13 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #14 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(422): Illuminate\Database\Connection->run() #15 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2706): Illuminate\Database\Connection->select() #16 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2694): Illuminate\Database\Query\Builder->runSelect() #17 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3230): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #18 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2695): Illuminate\Database\Query\Builder->onceWithColumns() #19 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2844): Illuminate\Database\Query\Builder->get() #20 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2803): Illuminate\Database\Query\Builder->runPaginationCountQuery() #21 /var/www/html/lib/pkp/classes/submission/DAO.php(94): Illuminate\Database\Query\Builder->getCountForPagination() #22 /var/www/html/lib/pkp/classes/submission/Collector.php(83): PKP\submission\DAO->getCount() #23 /var/www/html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(84): PKP\submission\Collector->getCount() #24 /var/www/html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(46): APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->buildTemplate() #25 [internal function]: APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->APP\plugins\generic\recommendBySimilarity\{closure}() #26 /var/www/html/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array() #27 /var/www/html/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run() #28 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1784): PKP\plugins\Hook::call() #29 /var/www/html/cache/t_compile/83208197cdab99dcde78310d84a409c6da7a9f7b^1c372c95cd85572e0fbc9a53d0323a0b229cfc78_0.app.frontendpagesarticle.tpl.php(42): PKP\template\PKPTemplateManager->smartyCallHook() #30 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_69c4993b903ad4_59362386() #31 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(115): Smarty_Template_Resource_Base->getRenderedTemplateCode() #32 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #33 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #34 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #35 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1369): Smarty_Internal_TemplateBase->display() #36 /var/www/html/pages/article/ArticleHandler.php(355): PKP\template\PKPTemplateManager->display() #37 [internal function]: APP\pages\article\ArticleHandler->view() #38 /var/www/html/lib/pkp/classes/core/PKPRouter.php(334): call_user_func() #39 /var/www/html/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #40 /var/www/html/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route() #41 /var/www/html/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch() #42 /var/www/html/index.php(20): PKP\core\PKPApplication->execute() #43 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (SQL: select count(*) as aggregate from `submissions` as `s` left join `publications` as `po` on `s`.`current_publication_id` = `po`.`publication_id` where `s`.`context_id` in (1) and `s`.`status` in (3) and (exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(sai) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(sai), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(sai), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(lầm) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(lầm), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(lầm), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(thường) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(thường), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(thường), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(mắc) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(mắc), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(mắc), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(hiệu) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(hiệu), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(hiệu), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(quả) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(quả), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(quả), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(kỹ) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(kỹ), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(kỹ), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(thuật) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(thuật), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(thuật), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(chuyên) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(chuyên), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(chuyên), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(ngành) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(ngành), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(ngành), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(golf) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(golf), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(golf), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(đại) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(đại), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(đại), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(học) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(học), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(học), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(tdtt) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(tdtt), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(tdtt), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(bắc) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(bắc), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(bắc), '%')) or exists (select * from `submission_search_objects` as `sso` inner join `submission_search_object_keywords` as `ssok` on `sso`.`object_id` = `ssok`.`object_id` inner join `submission_search_keyword_list` as `sskl` on `sskl`.`keyword_id` = `ssok`.`keyword_id` where `sskl`.`keyword_text` = LOWER(ninh) and `s`.`submission_id` = `sso`.`submission_id`) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `publication_settings` as `ps` on `p`.`publication_id` = `ps`.`publication_id` where `ps`.`setting_name` = title and LOWER(ps.setting_value) LIKE CONCAT('%', LOWER(ninh), '%')) or `s`.`submission_id` in (select `p`.`submission_id` from `publications` as `p` inner join `authors` as `au` on `au`.`publication_id` = `p`.`publication_id` inner join `author_settings` as `aus` on `aus`.`author_id` = `au`.`author_id` where `aus`.`setting_name` in (givenName, familyName, orcid) and LOWER(aus.setting_value) LIKE CONCAT('%', LOWER(ninh), '%'))) and `s`.`submission_id` not in (889)) in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:760 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(422): Illuminate\Database\Connection->run() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2706): Illuminate\Database\Connection->select() #5 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2694): Illuminate\Database\Query\Builder->runSelect() #6 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3230): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2695): Illuminate\Database\Query\Builder->onceWithColumns() #8 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2844): Illuminate\Database\Query\Builder->get() #9 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2803): Illuminate\Database\Query\Builder->runPaginationCountQuery() #10 /var/www/html/lib/pkp/classes/submission/DAO.php(94): Illuminate\Database\Query\Builder->getCountForPagination() #11 /var/www/html/lib/pkp/classes/submission/Collector.php(83): PKP\submission\DAO->getCount() #12 /var/www/html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(84): PKP\submission\Collector->getCount() #13 /var/www/html/plugins/generic/recommendBySimilarity/RecommendBySimilarityPlugin.php(46): APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->buildTemplate() #14 [internal function]: APP\plugins\generic\recommendBySimilarity\RecommendBySimilarityPlugin->APP\plugins\generic\recommendBySimilarity\{closure}() #15 /var/www/html/lib/pkp/classes/plugins/Hook.php(139): call_user_func_array() #16 /var/www/html/lib/pkp/classes/plugins/Hook.php(113): PKP\plugins\Hook::run() #17 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1784): PKP\plugins\Hook::call() #18 /var/www/html/cache/t_compile/83208197cdab99dcde78310d84a409c6da7a9f7b^1c372c95cd85572e0fbc9a53d0323a0b229cfc78_0.app.frontendpagesarticle.tpl.php(42): PKP\template\PKPTemplateManager->smartyCallHook() #19 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_69c4993b903ad4_59362386() #20 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(115): Smarty_Template_Resource_Base->getRenderedTemplateCode() #21 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render() #22 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render() #23 /var/www/html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_Internal_TemplateBase->_execute() #24 /var/www/html/lib/pkp/classes/template/PKPTemplateManager.php(1369): Smarty_Internal_TemplateBase->display() #25 /var/www/html/pages/article/ArticleHandler.php(355): PKP\template\PKPTemplateManager->display() #26 [internal function]: APP\pages\article\ArticleHandler->view() #27 /var/www/html/lib/pkp/classes/core/PKPRouter.php(334): call_user_func() #28 /var/www/html/lib/pkp/classes/core/PKPPageRouter.php(277): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest() #29 /var/www/html/lib/pkp/classes/core/Dispatcher.php(165): PKP\core\PKPPageRouter->route() #30 /var/www/html/lib/pkp/classes/core/PKPApplication.php(388): PKP\core\Dispatcher->dispatch() #31 /var/www/html/index.php(20): PKP\core\PKPApplication->execute() #32 {main} thrown in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(70): PDO->__construct() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(100): Illuminate\Database\Connectors\Connector->createPdoConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(50): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #6 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1181): call_user_func() #7 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1217): Illuminate\Database\Connection->getPdo() #8 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(486): Illuminate\Database\Connection->getReadPdo() #9 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(414): Illuminate\Database\Connection->getPdoForSelect() #10 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(753): Illuminate\Database\Connection->Illuminate\Database\{closure}() #11 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #12 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #13 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #14 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(422): Illuminate\Database\Connection->run() #15 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2706): Illuminate\Database\Connection->select() #16 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2694): Illuminate\Database\Query\Builder->runSelect() #17 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3230): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #18 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2695): Illuminate\Database\Query\Builder->onceWithColumns() #19 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3157): Illuminate\Database\Query\Builder->get() #20 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3085): Illuminate\Database\Query\Builder->aggregate() #21 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1869): Illuminate\Database\Query\Builder->count() #22 /var/www/html/lib/pkp/classes/queue/JobRunner.php(203): Illuminate\Database\Eloquent\Builder->__call() #23 /var/www/html/lib/pkp/classes/core/PKPQueueProvider.php(135): PKP\queue\JobRunner->processJobs() #24 [internal function]: PKP\core\PKPQueueProvider->PKP\core\{closure}() #25 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (SQL: select count(*) as aggregate from `jobs` where `reserved_at` is null and `available_at` <= 1774513384 and `queue` is not null and `queue` != queuedTestJob and `attempts` < 3) in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:760 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(422): Illuminate\Database\Connection->run() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2706): Illuminate\Database\Connection->select() #5 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2694): Illuminate\Database\Query\Builder->runSelect() #6 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3230): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2695): Illuminate\Database\Query\Builder->onceWithColumns() #8 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3157): Illuminate\Database\Query\Builder->get() #9 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3085): Illuminate\Database\Query\Builder->aggregate() #10 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(1869): Illuminate\Database\Query\Builder->count() #11 /var/www/html/lib/pkp/classes/queue/JobRunner.php(203): Illuminate\Database\Eloquent\Builder->__call() #12 /var/www/html/lib/pkp/classes/core/PKPQueueProvider.php(135): PKP\queue\JobRunner->processJobs() #13 [internal function]: PKP\core\PKPQueueProvider->PKP\core\{closure}() #14 {main} thrown in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(70): PDO->__construct() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(100): Illuminate\Database\Connectors\Connector->createPdoConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(50): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #6 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1181): call_user_func() #7 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(566): Illuminate\Database\Connection->getPdo() #8 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(753): Illuminate\Database\Connection->Illuminate\Database\{closure}() #9 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #10 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #11 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #12 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(577): Illuminate\Database\Connection->run() #13 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/DatabaseManager.php(469): Illuminate\Database\Connection->affectingStatement() #14 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(338): Illuminate\Database\DatabaseManager->__call() #15 /var/www/html/lib/pkp/classes/db/DAO.php(179): Illuminate\Support\Facades\Facade::__callStatic() #16 /var/www/html/lib/pkp/classes/session/SessionDAO.php(117): PKP\db\DAO->update() #17 /var/www/html/lib/pkp/classes/session/SessionManager.php(137): PKP\session\SessionDAO->updateObject() #18 [internal function]: PKP\session\SessionManager->write() #19 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (SQL: UPDATE sessions SET user_id = ?, ip_address = 172.18.0.5, user_agent = Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com), created = 1774513381, last_used = 1774513381, remember = 0, data = , domain = tckhupes1.edu.vn WHERE session_id = 0i56uphd3echr1cnnqqk26j07q) in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:760 Stack trace: #0 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(577): Illuminate\Database\Connection->run() #4 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/DatabaseManager.php(469): Illuminate\Database\Connection->affectingStatement() #5 /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(338): Illuminate\Database\DatabaseManager->__call() #6 /var/www/html/lib/pkp/classes/db/DAO.php(179): Illuminate\Support\Facades\Facade::__callStatic() #7 /var/www/html/lib/pkp/classes/session/SessionDAO.php(117): PKP\db\DAO->update() #8 /var/www/html/lib/pkp/classes/session/SessionManager.php(137): PKP\session\SessionDAO->updateObject() #9 [internal function]: PKP\session\SessionManager->write() #10 {main} thrown in /var/www/html/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760

Warning: Unknown: Cannot call session save handler in a recursive manner in Unknown on line 0