Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [1226] User 'taro_db' has exceeded the 'max_user_connections' resource (current value: 100)' in /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Adapter/Pdo/Abstract.php:129 Stack trace: #0 /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Adapter/Pdo/Abstract.php(129): PDO->__construct('mysql:host=db1;...', 'taro_db', 'WLqnG5RG,qv?', Array) #1 /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Adapter/Pdo/Mysql.php(109): Zend_Db_Adapter_Pdo_Abstract->_connect() #2 /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Adapter/Abstract.php(459): Zend_Db_Adapter_Pdo_Mysql->_connect() #3 /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Table_Select), Array) #4 /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Db/Table/Abstract.php(1529): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Table_Select)) #5 /usr/local/lib/php/ZendFramework in /usr/local/lib/php/ZendFramework/1.11.11/library/Zend/Controller/Plugin/Broker.php on line 336