PDOException: SQLSTATE[HY000] [2002] Connection refused in /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php:128
Stack trace:
#0 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(128): PDO->__construct()
#1 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#2 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(424): Zend_Db_Adapter_Pdo_Mysql->_connect()
#3 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Abstract.php(460): Magento\Framework\DB\Adapter\Pdo\Mysql->_connect()
#4 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query()
#5 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(560): Zend_Db_Adapter_Pdo_Abstract->query()
#6 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(627): Magento\Framework\DB\Adapter\Pdo\Mysql->_query()
#7 /home/papercu/public_html/generated/code/Magento/Framework/DB/Adapter/Pdo/Mysql/Interceptor.php(95): Magento\Framework\DB\Adapter\Pdo\Mysql->query()
#8 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Abstract.php(737): Magento\Framework\DB\Adapter\Pdo\Mysql\Interceptor->query()
#9 /home/papercu/public_html/generated/code/Magento/Framework/DB/Adapter/Pdo/Mysql/Interceptor.php(1085): Zend_Db_Adapter_Abstract->fetchAll()
#10 /home/papercu/public_html/vendor/magento/module-store/App/Config/Source/RuntimeConfigSource.php(101): Magento\Framework\DB\Adapter\Pdo\Mysql\Interceptor->fetchAll()
#11 /home/papercu/public_html/vendor/magento/module-store/App/Config/Source/RuntimeConfigSource.php(61): Magento\Store\App\Config\Source\RuntimeConfigSource->getEntities()
#12 /home/papercu/public_html/vendor/magento/framework/App/Config/ConfigSourceAggregated.php(42): Magento\Store\App\Config\Source\RuntimeConfigSource->get()
#13 /home/papercu/public_html/generated/code/Magento/Framework/App/Config/ConfigSourceAggregated/Proxy.php(95): Magento\Framework\App\Config\ConfigSourceAggregated->get()
#14 /home/papercu/public_html/vendor/magento/module-store/App/Config/Type/Scopes.php(63): Magento\Framework\App\Config\ConfigSourceAggregated\Proxy->get()
#15 /home/papercu/public_html/vendor/magento/framework/App/Config.php(132): Magento\Store\App\Config\Type\Scopes->get()
#16 /home/papercu/public_html/vendor/magento/module-store/Model/StoreRepository.php(106): Magento\Framework\App\Config->get()
#17 /home/papercu/public_html/vendor/magento/module-store/Model/StoreRepository.php(127): Magento\Store\Model\StoreRepository->getById()
#18 /home/papercu/public_html/vendor/magento/module-store/Model/StoreResolver.php(181): Magento\Store\Model\StoreRepository->getActiveStoreById()
#19 /home/papercu/public_html/vendor/magento/module-store/Model/StoreResolver.php(126): Magento\Store\Model\StoreResolver->getDefaultStoreById()
#20 /home/papercu/public_html/vendor/magento/module-store/Model/StoreManager.php(160): Magento\Store\Model\StoreResolver->getCurrentStoreId()
#21 /home/papercu/public_html/generated/code/Magento/Store/Model/StoreManagerInterface/Proxy.php(119): Magento\Store\Model\StoreManager->getStore()
#22 /home/papercu/public_html/vendor/magento/module-store/Model/Resolver/Store.php(30): Magento\Store\Model\StoreManagerInterface\Proxy->getStore()
#23 /home/papercu/public_html/vendor/magento/framework/App/Config/ScopeCodeResolver.php(49): Magento\Store\Model\Resolver\Store->getScope()
#24 /home/papercu/public_html/vendor/magento/framework/App/Config.php(69): Magento\Framework\App\Config\ScopeCodeResolver->resolve()
#25 /home/papercu/public_html/vendor/magento/framework/Session/Config.php(195): Magento\Framework\App\Config->getValue()
#26 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Session\Config->__construct()
#27 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#28 /home/papercu/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create()
#29 /home/papercu/public_html/vendor/magento/framework/App/Response/Http.php(85): Magento\Framework\ObjectManager\ObjectManager->get()
#30 /home/papercu/public_html/vendor/magento/module-media-storage/Model/File/Storage/Response.php(47): Magento\Framework\App\Response\Http->__construct()
#31 /home/papercu/public_html/generated/code/Magento/MediaStorage/Model/File/Storage/Response/Interceptor.php(14): Magento\MediaStorage\Model\File\Storage\Response->__construct()
#32 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\MediaStorage\Model\File\Storage\Response\Interceptor->__construct()
#33 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#34 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(81): Magento\Framework\ObjectManager\Factory\Compiled->create()
#35 /home/papercu/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create()
#36 /home/papercu/public_html/vendor/magento/framework/App/Bootstrap.php(237): Magento\Framework\ObjectManager\ObjectManager->create()
#37 /home/papercu/public_html/pub/static.php(12): Magento\Framework\App\Bootstrap->createApplication()
#38 {main}

Next Zend_Db_Adapter_Exception: SQLSTATE[HY000] [2002] Connection refused in /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php:144
Stack trace:
#0 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(424): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Abstract.php(460): Magento\Framework\DB\Adapter\Pdo\Mysql->_connect()
#3 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query()
#4 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(560): Zend_Db_Adapter_Pdo_Abstract->query()
#5 /home/papercu/public_html/vendor/magento/framework/DB/Adapter/Pdo/Mysql.php(627): Magento\Framework\DB\Adapter\Pdo\Mysql->_query()
#6 /home/papercu/public_html/generated/code/Magento/Framework/DB/Adapter/Pdo/Mysql/Interceptor.php(95): Magento\Framework\DB\Adapter\Pdo\Mysql->query()
#7 /home/papercu/public_html/vendor/magento/zendframework1/library/Zend/Db/Adapter/Abstract.php(737): Magento\Framework\DB\Adapter\Pdo\Mysql\Interceptor->query()
#8 /home/papercu/public_html/generated/code/Magento/Framework/DB/Adapter/Pdo/Mysql/Interceptor.php(1085): Zend_Db_Adapter_Abstract->fetchAll()
#9 /home/papercu/public_html/vendor/magento/module-store/App/Config/Source/RuntimeConfigSource.php(101): Magento\Framework\DB\Adapter\Pdo\Mysql\Interceptor->fetchAll()
#10 /home/papercu/public_html/vendor/magento/module-store/App/Config/Source/RuntimeConfigSource.php(61): Magento\Store\App\Config\Source\RuntimeConfigSource->getEntities()
#11 /home/papercu/public_html/vendor/magento/framework/App/Config/ConfigSourceAggregated.php(42): Magento\Store\App\Config\Source\RuntimeConfigSource->get()
#12 /home/papercu/public_html/generated/code/Magento/Framework/App/Config/ConfigSourceAggregated/Proxy.php(95): Magento\Framework\App\Config\ConfigSourceAggregated->get()
#13 /home/papercu/public_html/vendor/magento/module-store/App/Config/Type/Scopes.php(63): Magento\Framework\App\Config\ConfigSourceAggregated\Proxy->get()
#14 /home/papercu/public_html/vendor/magento/framework/App/Config.php(132): Magento\Store\App\Config\Type\Scopes->get()
#15 /home/papercu/public_html/vendor/magento/module-store/Model/StoreRepository.php(106): Magento\Framework\App\Config->get()
#16 /home/papercu/public_html/vendor/magento/module-store/Model/StoreRepository.php(127): Magento\Store\Model\StoreRepository->getById()
#17 /home/papercu/public_html/vendor/magento/module-store/Model/StoreResolver.php(181): Magento\Store\Model\StoreRepository->getActiveStoreById()
#18 /home/papercu/public_html/vendor/magento/module-store/Model/StoreResolver.php(126): Magento\Store\Model\StoreResolver->getDefaultStoreById()
#19 /home/papercu/public_html/vendor/magento/module-store/Model/StoreManager.php(160): Magento\Store\Model\StoreResolver->getCurrentStoreId()
#20 /home/papercu/public_html/generated/code/Magento/Store/Model/StoreManagerInterface/Proxy.php(119): Magento\Store\Model\StoreManager->getStore()
#21 /home/papercu/public_html/vendor/magento/module-store/Model/Resolver/Store.php(30): Magento\Store\Model\StoreManagerInterface\Proxy->getStore()
#22 /home/papercu/public_html/vendor/magento/framework/App/Config/ScopeCodeResolver.php(49): Magento\Store\Model\Resolver\Store->getScope()
#23 /home/papercu/public_html/vendor/magento/framework/App/Config.php(69): Magento\Framework\App\Config\ScopeCodeResolver->resolve()
#24 /home/papercu/public_html/vendor/magento/framework/Session/Config.php(195): Magento\Framework\App\Config->getValue()
#25 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Session\Config->__construct()
#26 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#27 /home/papercu/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create()
#28 /home/papercu/public_html/vendor/magento/framework/App/Response/Http.php(85): Magento\Framework\ObjectManager\ObjectManager->get()
#29 /home/papercu/public_html/vendor/magento/module-media-storage/Model/File/Storage/Response.php(47): Magento\Framework\App\Response\Http->__construct()
#30 /home/papercu/public_html/generated/code/Magento/MediaStorage/Model/File/Storage/Response/Interceptor.php(14): Magento\MediaStorage\Model\File\Storage\Response->__construct()
#31 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\MediaStorage\Model\File\Storage\Response\Interceptor->__construct()
#32 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#33 /home/papercu/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(81): Magento\Framework\ObjectManager\Factory\Compiled->create()
#34 /home/papercu/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create()
#35 /home/papercu/public_html/vendor/magento/framework/App/Bootstrap.php(237): Magento\Framework\ObjectManager\ObjectManager->create()
#36 /home/papercu/public_html/pub/static.php(12): Magento\Framework\App\Bootstrap->createApplication()
#37 {main}