Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 Server has gone away in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:78 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(78): PDO->prepare() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(361): Doctrine\DBAL\Driver\PDOConnection->prepare() #2 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}() #3 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #4 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(373): Illuminate\Database\Connection->run() #5 [internal function]: Illuminate\Database\Connection->cursor() #6 /home/wumaraxv/ojs.wumardan.edu.pk/classes/subscription/InstitutionalSubscriptionDAO.inc.php(487): Generator->current() #7 /home/wumaraxv/ojs.wumardan.edu.pk/classes/issue/IssueAction.inc.php(138): InstitutionalSubscriptionDAO->isValidInstitutionalSubscription() #8 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(468): IssueAction->subscribedDomain() #9 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(207): ArticleHandler->userCanViewGalley() #10 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPRouter.inc.php(395): ArticleHandler->view() #11 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #12 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #13 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch() #14 /home/wumaraxv/ojs.wumardan.edu.pk/index.php(68): PKPApplication->execute() #15 {main} Next Doctrine\DBAL\Driver\PDO\Exception: SQLSTATE[HY000]: General error: 2006 Server has gone away in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php:18 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(83): Doctrine\DBAL\Driver\PDO\Exception::new() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(361): Doctrine\DBAL\Driver\PDOConnection->prepare() #2 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}() #3 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #4 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(373): Illuminate\Database\Connection->run() #5 [internal function]: Illuminate\Database\Connection->cursor() #6 /home/wumaraxv/ojs.wumardan.edu.pk/classes/subscription/InstitutionalSubscriptionDAO.inc.php(487): Generator->current() #7 /home/wumaraxv/ojs.wumardan.edu.pk/classes/issue/IssueAction.inc.php(138): InstitutionalSubscriptionDAO->isValidInstitutionalSubscription() #8 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(468): IssueAction->subscribedDomain() #9 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(207): ArticleHandler->userCanViewGalley() #10 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPRouter.inc.php(395): ArticleHandler->view() #11 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #12 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #13 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch() #14 /home/wumaraxv/ojs.wumardan.edu.pk/index.php(68): PKPApplication->execute() #15 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 2006 Server has gone away (SQL: SELECT iss.subscription_id FROM institutional_subscriptions iss JOIN subscriptions s ON (iss.subscription_id = s.subscription_id) JOIN subscription_types st ON (s.type_id = st.type_id) WHERE POSITION(UPPER(LPAD(iss.domain, LENGTH(iss.domain)+1, '.')) IN UPPER(LPAD(ec2-18-226-150-251.us-east-2.compute.amazonaws.com, LENGTH(ec2-18-226-150-251.us-east-2.compute.amazonaws.com)+1, '.'))) != 0 AND iss.domain != '' AND s.journal_id = 3 AND s.status = 1 AND st.institutional = 1 AND ((st.non_expiring = 1) OR (st.non_expiring = 0 AND ('2025-05-15' >= s.date_start AND '2025-05-15' <= s.date_end))) AND (st.format = 1 OR st.format = 17)) in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:671 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(373): Illuminate\Database\Connection->run() #2 [internal function]: Illuminate\Database\Connection->cursor() #3 /home/wumaraxv/ojs.wumardan.edu.pk/classes/subscription/InstitutionalSubscriptionDAO.inc.php(487): Generator->current() #4 /home/wumaraxv/ojs.wumardan.edu.pk/classes/issue/IssueAction.inc.php(138): InstitutionalSubscriptionDAO->isValidInstitutionalSubscription() #5 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(468): IssueAction->subscribedDomain() #6 /home/wumaraxv/ojs.wumardan.edu.pk/pages/article/ArticleHandler.inc.php(207): ArticleHandler->userCanViewGalley() #7 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPRouter.inc.php(395): ArticleHandler->view() #8 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #9 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #10 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch() #11 /home/wumaraxv/ojs.wumardan.edu.pk/index.php(68): PKPApplication->execute() #12 {main} thrown in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 2006 Server has gone away in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:78 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(78): PDO->prepare() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(485): Doctrine\DBAL\Driver\PDOConnection->prepare() #2 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}() #3 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #4 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\Database\Connection->run() #5 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php(200): Illuminate\Database\Connection->affectingStatement() #6 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/db/DAO.inc.php(138): Illuminate\Database\Capsule\Manager::__callStatic() #7 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionDAO.inc.php(104): DAO->update() #8 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionManager.inc.php(185): SessionDAO->updateObject() #9 [internal function]: SessionManager->write() #10 [internal function]: session_write_close() #11 {main} Next Doctrine\DBAL\Driver\PDO\Exception: SQLSTATE[HY000]: General error: 2006 Server has gone away in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php:18 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(83): Doctrine\DBAL\Driver\PDO\Exception::new() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(485): Doctrine\DBAL\Driver\PDOConnection->prepare() #2 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(664): Illuminate\Database\Connection->Illuminate\Database\{closure}() #3 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #4 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\Database\Connection->run() #5 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php(200): Illuminate\Database\Connection->affectingStatement() #6 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/db/DAO.inc.php(138): Illuminate\Database\Capsule\Manager::__callStatic() #7 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionDAO.inc.php(104): DAO->update() #8 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionManager.inc.php(185): SessionDAO->updateObject() #9 [internal function]: SessionManager->write() #10 [internal function]: session_write_close() #11 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000]: General error: 2006 Server has gone away (SQL: UPDATE sessions SET user_id = ?, ip_address = 18.226.150.251, user_agent = Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com), created = 1747298403, last_used = 1747298403, remember = 0, data = , domain = ojs.wumardan.edu.pk WHERE session_id = uc893evorg0lgfvfhpplvmqsof) in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:671 Stack trace: #0 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #1 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(496): Illuminate\Database\Connection->run() #2 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Capsule/Manager.php(200): Illuminate\Database\Connection->affectingStatement() #3 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/db/DAO.inc.php(138): Illuminate\Database\Capsule\Manager::__callStatic() #4 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionDAO.inc.php(104): DAO->update() #5 /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/classes/session/SessionManager.inc.php(185): SessionDAO->updateObject() #6 [internal function]: SessionManager->write() #7 [internal function]: session_write_close() #8 {main} thrown in /home/wumaraxv/ojs.wumardan.edu.pk/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671