http://www.zftutorials.com/templates/Default/img/logo.gifeSyndiCat Directory 2.2 Zend Framework Tutorialhttp://www.zftutorials.com/Zend Exceptionhttp://www.zftutorials.com/zend-exception/Programmer's Reference Guide - Zend_Exceptionhttp://www.zftutorials.com/zend-exception/Programmer-s-Reference-Guide-Zend-Exception-l161.htmlAll exceptions thrown by Zend Framework classes should throw an exception that derives from the base class Zend_Exception.