session_start()：初始化存储模块失败：第81行/usr/share/phpmyadmin/libraries/session.inc.php中的memcache（路径：/var/lib/php5）

Question

我的 myadminphp 有问题。 我尝试进入管理区域，但是当我使用 url 时，页面是白色的。 我在error.log上看到了，我有这个错误

session_start(): 初始化存储模块失败：第81行/usr/share/phpmyadmin/libraries/session.inc.php中的memcache（路径：/var/lib/php5）

我不知道我能做什么！ Tx 寻求所有帮助

我的 session.inc.php

<?php
  /* vim: set expandtab sw=4 ts=4 sts=4: */
  /**
   * session handling
 *
 * @todo    add failover or warn if sessions are not configured properly
 * @todo    add an option to use mm-module for session handler
 * @see     http://www.php.net/session
 * @uses    session_name()
 * @uses    session_start()
 * @uses    ini_set()
 * @package phpMyAdmin
 */
if (! defined('PHPMYADMIN')) {
    exit;
}

// verify if PHP supports session, die if it does not

if (!@function_exists('session_name')) {
    PMA_warnMissingExtension('session', true);
} elseif (ini_get('session.auto_start') == true && session_name() != 'phpMyAdmin') {
    // Do not delete the existing session, it might be used by other
    // applications; instead just close it.
    session_write_close();
}

// disable starting of sessions before all settings are done
// does not work, besides how it is written in php manual
//ini_set('session.auto_start', 0);

// session cookie settings
session_set_cookie_params(0, $GLOBALS['PMA_Config']->getCookiePath(),
    '', $GLOBALS['PMA_Config']->isHttps(), true);

// cookies are safer (use @ini_set() in case this function is disabled)
@ini_set('session.use_cookies', true);

// optionally set session_save_path
$path = $GLOBALS['PMA_Config']->get('SessionSavePath');
if (!empty($path)) {
    session_save_path($path);
}

// but not all user allow cookies
@ini_set('session.use_only_cookies', false);
// do not force transparent session ids, see bug #3398788
//@ini_set('session.use_trans_sid', true);
@ini_set('url_rewriter.tags',
    'a=href,frame=src,input=src,form=fakeentry,fieldset=');
//ini_set('arg_separator.output', '&amp;');

// delete session/cookies when browser is closed
@ini_set('session.cookie_lifetime', 0);

// warn but dont work with bug
@ini_set('session.bug_compat_42', false);
@ini_set('session.bug_compat_warn', true);

// use more secure session ids
@ini_set('session.hash_function', 1);

// some pages (e.g. stylesheet) may be cached on clients, but not in shared
// proxy servers
session_cache_limiter('private');

// start the session
// on some servers (for example, sourceforge.net), we get a permission error
// on the session data directory, so I add some "@"

// See bug #1538132. This would block normal behavior on a cluster
//ini_set('session.save_handler', 'files');

$session_name = 'phpMyAdmin';
@session_name($session_name);

if (! isset($_COOKIE[$session_name])) {
    // on first start of session we check for errors
    // f.e. session dir cannot be accessed - session file not created
    $orig_error_count = $GLOBALS['error_handler']->countErrors();
    $r = session_start();
    if ($r !== true || $orig_error_count != $GLOBALS['error_handler']->countErrors()) {
        setcookie($session_name, '', 1);
        /*
         * Session initialization is done before selecting language, so we
         * can not use translations here.
         */
        PMA_fatalError('Cannot start session without errors, please check errors given in your PHP and/or webserver log file and configure your PHP installation properly.');
    }
    unset($orig_error_count);
} else {
    session_start();
}

/**
 * Token which is used for authenticating access queries.
 * (we use "space PMA_token space" to prevent overwriting)
 */
if (!isset($_SESSION[' PMA_token '])) {
    $_SESSION[' PMA_token '] = md5(uniqid(rand(), true));
}

/**
 * tries to secure session from hijacking and fixation
 * should be called before login and after successfull login
 * (only required if sensitive information stored in session)
 *
 * @uses    session_regenerate_id() to secure session from fixation
 */
function PMA_secureSession()
{
    // prevent session fixation and XSS
    session_regenerate_id(true);
    $_SESSION[' PMA_token '] = md5(uniqid(rand(), true));
}
?>

Answer 1

通常这意味着您在 Apache config 或 php.ini 中的 session.save_path 参数中的路径错误

尝试设置

ini_set("session.save_path", "/path/to/tmp");

在文件的开头。如果有帮助，请编辑您的 php.ini 文件，否则请尝试在某处找到它，可能在 VirtualHost 部分中

Answer 2

您只需要授予访问此目录的权限。

在 Windows 上，只需打开目录，系统会要求您更改对它的权限。

Answer 3

请检查周围的代码：

// optionally set session_save_path
$path = $GLOBALS['PMA_Config']->get('SessionSavePath');
if (!empty($path)) {
    session_save_path($path);
}

您可以尝试将其注释掉并再测试一次（此处未发布 session_save_path() 的实现，我怀疑问题存在）。

Answer 4

好的，我找到了解决方案

 libraries/session.inc.php at line 79  // session.save_handler 
 ini_set('session.save_handler', 'files');

注释掉这一行，一切正常。