SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Try again<br><pre>#0 [internal function]: PDO->__construct('mysql:host=rm-2...', 'school', 'schOOl_^%$EWQ!@...', Array)
#1 [internal function]: Phalcon\Db\Adapter\Pdo->connect(Array)
#2 /var/www/html/schoolhome/src/schoolhome/app/config/services.php(109): Phalcon\Db\Adapter\Pdo->__construct(Array)
#3 [internal function]: Closure->{closure}()
#4 [internal function]: Phalcon\Di\Service->resolve(NULL, Object(Phalcon\Di\FactoryDefault))
#5 [internal function]: Phalcon\Di->get('dbSchool', NULL)
#6 [internal function]: Phalcon\Di->getShared('dbSchool')
#7 [internal function]: Phalcon\Mvc\Model\Manager->_getConnection(Object(Modules\Category\Model\SciCategorys), Array)
#8 [internal function]: Phalcon\Mvc\Model\Manager->getReadConnection(Object(Modules\Category\Model\SciCategorys))
#9 [internal function]: Phalcon\Mvc\Model->getReadConnection()
#10 [internal function]: Phalcon\Mvc\Model\MetaData\Strategy\Introspection->getMetaData(Object(Modules\Category\Model\SciCategorys), Object(Phalcon\Di\FactoryDefault))
#11 [internal function]: Phalcon\Mvc\Model\MetaData->_initialize(Object(Modules\Category\Model\SciCategorys), 'modules\\categor...', 'sci_categorys', '')
#12 [internal function]: Phalcon\Mvc\Model\MetaData->readMetaData(Object(Modules\Category\Model\SciCategorys))
#13 [internal function]: Phalcon\Mvc\Model\MetaData->hasAttribute(Object(Modules\Category\Model\SciCategorys), 'id')
#14 [internal function]: Phalcon\Mvc\Model\Query->_getQualified(Array)
#15 [internal function]: Phalcon\Mvc\Model\Query->_getExpression(Array)
#16 [internal function]: Phalcon\Mvc\Model\Query->_getSelectColumn(Array)
#17 [internal function]: Phalcon\Mvc\Model\Query->_prepareSelect()
#18 [internal function]: Phalcon\Mvc\Model\Query->parse()
#19 [internal function]: Phalcon\Mvc\Model\Query->execute()
#20 /var/www/html/schoolhome/modules/Base/Model/ModelBase.php(179): Phalcon\Mvc\Model::find(Array)
#21 /var/www/html/schoolhome/modules/Category/Model/SciCategorys.php(34): Modules\Base\Model\ModelBase::select(Array, 'id,title, title...', 'sort desc,creat...')
#22 /var/www/html/schoolhome/modules/Category/Server/CategoryServer.php(23): Modules\Category\Model\SciCategorys::getParentCategory(Array)
#23 /var/www/html/schoolhome/modules/Common/Server/HeaderServer.php(45): Modules\Category\Server\CategoryServer::getParentCategory(2)
#24 /var/www/html/schoolhome/src/schoolhome/app/controllers/ControllerBase.php(445): Modules\Common\Server\HeaderServer::headerData()
#25 /var/www/html/schoolhome/src/schoolhome/app/controllers/ControllerBase.php(55): ControllerBase->headerData()
#26 [internal function]: ControllerBase->onConstruct()
#27 [internal function]: Phalcon\Mvc\Controller->__construct()
#28 [internal function]: Phalcon\Di->get('CourseControlle...', NULL)
#29 [internal function]: Phalcon\Di->getShared('CourseControlle...')
#30 [internal function]: Phalcon\Dispatcher->dispatch()
#31 /var/www/html/schoolhome/src/schoolhome/public/index.php(54): Phalcon\Mvc\Application->handle()
#32 {main}</pre>