Fatal error: Uncaught OdfException: ZipArchive class not found - check your php settings in /var/www/xining.westgis.ac.cn/include/odtphp/library/odf.php:57 Stack trace: #0 /var/www/xining.westgis.ac.cn/application/default/controllers/ServiceController.php(572): Odf->__construct('../data/metadat...', Array) #1 /usr/share/php/Zend/Controller/Action.php(516): ServiceController->odtAction() #2 /usr/share/php/Zend/Controller/Dispatcher/Standard.php(295): Zend_Controller_Action->dispatch('odtAction') #3 /usr/share/php/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #4 /var/www/xining.westgis.ac.cn/htdocs/index.php(55): Zend_Controller_Front->dispatch() #5 {main} thrown in /var/www/xining.westgis.ac.cn/include/odtphp/library/odf.php on line 57