我电脑上面原来用的好好的OT，后来领导给了个新的项目，我从svn上面下载下来之后就出现了这个问题
could not find driver
错误位置
FILE: E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Db\Driver.class.php 　LINE: 107
TRACE
#0 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Db\Driver.class.php(107): E('could not find ...')
#1 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Db\Driver.class.php(1039): Think\Db\Driver->connect()
#2 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Db\Driver\Mysql.class.php(50): Think\Db\Driver->initConnect(true)
#3 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Model.class.php(132): Think\Db\Driver\Mysql->getFields('ott_hooks')
#4 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Model.class.php(120): Think\Model->flush()
#5 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Model.class.php(1431): Think\Model->_checkTableInfo()
#6 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Model.class.php(95): Think\Model->db(0, '', true)
#7 E:\workspace\www\wasu_ott\ThinkPHP\Common\functions.php(564): Think\Model->__construct('Hooks', '', '')
#8 E:\workspace\www\wasu_ott\Application\Common\Behavior\InitHookBehavior.class.php(16): M('Hooks')
#9 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Hook.class.php(119): Common\Behavior\InitHookBehavior->run(NULL)
#10 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Hook.class.php(89): Think\Hook::exec('Common\Behavior...', 'app_init', NULL)
#11 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\App.class.php(184): Think\Hook::listen('app_init')
#12 E:\workspace\www\wasu_ott\ThinkPHP\Library\Think\Think.class.php(120): Think\App::run()
#13 E:\workspace\www\wasu_ott\ThinkPHP\ThinkPHP.php(97): Think\Think::start()
#14 E:\workspace\www\wasu_ott\index.php(26): require('E:\workspace\ww...')
#15 {main}

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