SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known<br><pre>#0 [internal function]: PDO->__construct('mysql:host=rm-2...', 'qjkj123456789qj...', 'mQnI52exCfgYVC*...', Array)
#1 [internal function]: Phalcon\Db\Adapter\Pdo->connect(Array)
#2 /www/wwwroot/cbpay.qujiankeji.cn/app/config/services.php(80): 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('db', NULL)
#6 [internal function]: Phalcon\Di->getShared('db')
#7 [internal function]: Phalcon\Mvc\Model\Manager->_getConnection(Object(PosMerchant), NULL)
#8 [internal function]: Phalcon\Mvc\Model\Manager->getReadConnection(Object(PosMerchant))
#9 [internal function]: Phalcon\Mvc\Model->getReadConnection()
#10 [internal function]: Phalcon\Mvc\Model\MetaData\Strategy\Introspection->getMetaData(Object(PosMerchant), Object(Phalcon\Di\FactoryDefault))
#11 [internal function]: Phalcon\Mvc\Model\MetaData->_initialize(Object(PosMerchant), 'posmerchant-pos...', 'pos_merchant', '')
#12 [internal function]: Phalcon\Mvc\Model\MetaData->readMetaData(Object(PosMerchant))
#13 [internal function]: Phalcon\Mvc\Model\MetaData->hasAttribute(Object(PosMerchant), '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 /www/wwwroot/cbpay.qujiankeji.cn/app/models/PosMerchant.php(80): Phalcon\Mvc\Model::find(Array)
#21 /www/wwwroot/cbpay.qujiankeji.cn/app/controllers/PosOrderController.php(17): PosMerchant::find(Array)
#22 [internal function]: PosOrderController->indexAction()
#23 [internal function]: Phalcon\Dispatcher->callActionMethod(Object(PosOrderController), 'indexAction', Array)
#24 [internal function]: Phalcon\Dispatcher->dispatch()
#25 /www/wwwroot/cbpay.qujiankeji.cn/public/index.php(70): Phalcon\Mvc\Application->handle()
#26 {main}</pre>