致命错误:升级到Codeigniter 3后的session_start()

Mit*_*teg 3 php session cas codeigniter

我从Codeigniter 2升级到3,现在我的CAS库出现了这个错误:

A PHP Error was encountered

Severity: Error

Message: session_start() [function.session-start]: Failed to initialize storage module: user (path: C:\Windows\Temp)

Filename: CAS/Client.php

Line Number: 3588

Backtrace:
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它与session有关,我猜CI3.0与CI2.0的处理方式不同.

我在config.php中有以下内容

$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = NULL;
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE
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;

任何帮助将受到高度赞赏.谢谢.

新:

我做了一个干净的CI3.0.4安装,似乎问题是CAS身份验证库:https: //github.com/eliasdorneles/code-igniter-cas-library

它适用于CI 2.x,但不适用于CI3.0.如果我只是不加载CAS模块,一切都可以正常运行(我没有设置会话等问题).但是一旦我加载CAS session_start(),CAS/Client.php上的行就会出现问题.有任何想法吗?

Mr.*_* ED 8

您尚未配置sess_save_path确保文件夹也是chmod 700

$config['sess_driver'] = 'files';
$config['sess_cookie_name'] = 'ci_session';
$config['sess_expiration'] = 7200;
$config['sess_save_path'] = FCPATH . 'application/cache/';
$config['sess_match_ip'] = FALSE;
$config['sess_time_to_update'] = 300;
$config['sess_regenerate_destroy'] = FALSE;
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自动加载会话

$autoload['libraries'] = array('session');
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