exception 'Zend_Db_Adapter_Oracle_Exception' with message '12545 ORA-12545: Connect failed because target host or object does not exist *' in /usr/share/php/Zend/Db/Adapter/Oracle.php:138
Stack trace:
#0 /usr/share/php/Zend/Db/Adapter/Abstract.php(459): Zend_Db_Adapter_Oracle->_connect()
#1 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/Business/BaseDAO.php(39): Zend_Db_Adapter_Abstract->query('ALTER SESSION S...')
#2 /dati/VirtualHosts/selezioni.uniroma2.it/modules/Main/Business/DAO/ConcorsoDAO.php(26): ZNF_Business_DAO->__construct('', false)
#3 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/Business/BusinessFactory.php(52): ConcorsoDAO->__construct('', false)
#4 /dati/VirtualHosts/selezioni.uniroma2.it/modules/Main/Business/ConcorsoService.php(20): BusinessFactory->getDAO('Main', 'ConcorsoDAO', '', false)
#5 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/Business/BusinessFactory.php(74): ConcorsoService->__construct()
#6 /dati/VirtualHosts/selezioni.uniroma2.it/modules/Main/Action/Start.php(15): BusinessFactory->getService('Main', 'ConcorsoService')
#7 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/Action/RequestProcessor.php(639): Main_Action_Start->Main_Action_Start()
#8 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/Action/RequestProcessor.php(144): ZNF_Action_RequestProcessor->_processActionCreate(Object(ZNF_Action_ActionMapping))
#9 /dati/VirtualHosts/selezioni.uniroma2.it/ZNF/ZNF.php(195): ZNF_Action_RequestProcessor->process(NULL)
#10 /dati/VirtualHosts/selezioni.uniroma2.it/index.php(38): ZNF->process()
#11 {main}