配置config_inc.php文件,$g_db_username和$g_db_password输入错误,启动Mantis,页面显示:
                                         Mantis
APPLICATION ERROR #400
Database connection failed. Error received from database was #1045: Access denied for user 'root'@'localhost' (using password: NO)

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可以说明Mantis已经启动,但当输入正确的$g_db_username和$g_db_password后,页面却无法打开,是什么原因啊???
急!!!!!!!!
请高手指教!!多谢多谢!!!!

我使用的是php4.0,没有再安装phpmailer,和这个有关系吗?

和phpmailer应该没有关系，你可以试试用mysql客户端打开数据库验证一下用户名密码，然后再查别的问题！！

4）为apache安装mantis系统
   打开c:\apache-2.0.52 \conf\httpd.conf文件，添加如下内容到文件尾
   Alias /mantis "c:/mantis-0.19.2/"
   <Directory "c:/mantis-0.19.2/">
    Options Indexes
    AllowOverride None
    Order allow,deny
    Allow from all
  </Directory>
  查找DirectoryIndex，添加index.php到后面。像这样DirectoryIndex index.html index.html.var index.php


我是这样的配的，为什么还是无法启动mantis是？