原文链接：http://drupal.org/documentation/install/troubleshoot 一些常见的安装问题的链接列举在下面。在 Troubleshooting FAQ上可以找到更多排除故障的相关信息。

Fatal error: Allowed memory size of n bytes exhausted

错误"Allowed memory size of n bytes exhausted"表明Drupal需要比当前分配的更多的存储空间。这个问题能够被解决adding an extra line to Drupal's configuration files。

Failed to connect to your MySQL database server

安装脚本无法连接到数据库。检查你所提供的用户名、密码和主机名是否正确。

Cannot create directories 'files' or 'private'

安装脚本需要permissions to create these directories inside the sites/default folder。

Cannot write to configuration files settings.php

安装脚本需要permissions to write to the configuration files settings.php。

Blank page (White Screen of Death)

偶尔页面完全变白(没有内容、没有错误提示。)这就是"White Screen of Death"。参见 several reasons why this might occur。

"Your PHP configuration only supports the SQLite database type" on the database configuration page during install

Drupal 7 requires PHP to have the PDO(Php数据对象)扩展启用或是编译。早期的或是home-brewed php版本没有默认的启用。检查phpinfo中的"pdo_mysql"版本，或是对照instructions启用它。 Discussion

"Fatal error: Maximum function nesting level of 'xxx' reached"

如果你在服务器上安装了Xdebug版本的PHP版本，你可能会遇到这种错误。解决的方法很简单，你需要在Xdebug的配置文件上改变或是创建一个参数： xdebug.max_nesting_level=XXX 这个数默认为100。不要忘记重启Apache。然后你就能够继续安装或是恢复错误的页面了。

Other errors

 

• Host-specific error messages
• Register globals should be disabled
• What permissions does Drupal need?
• Why is this uploading stuff so difficult
• All my pages are blank
• White screen of death fixing step by step
• Client does not support authentication protocol
• 500 internal server error
• Got a packet bigger than 'max-allowed-packet'
• Lock tables sequences write error
• Error on installation step 3
• Database setup fails to proceed
• Translation issues
• Clean URLs how-to