PHP 不显示错误 - 内部服务器错误 (500)

问题描述：

我已经在 Amazon AWS 上使用 *Apache2/MySQL/PHP5 全新安装了 Ubuntu Server 12.04 LTS.当我运行 PHP 脚本并遇到错误时，我没有看到来自 PHP 的任何错误报告，我看到的是

I've set up a fresh install of Ubuntu Server 12.04 LTS on Amazon AWS with *Apache2/MySQL/PHP5. When I run a PHP script and it encounters an error I don't see any error reporting from PHP, all I see is

HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfil the request.

我已经检查了我的 /etc/php5/apache2/php.ini 文件，据我所知应该设置错误报告.文件内容(关于错误)是:

I have checked my /etc/php5/apache2/php.ini file and as far as I can tell error reporting should be set up. The contents of the file (regarding errors) are:

;    display_errors
;      Default Value: On
;      Development Value: On
;      Production Value: Off

;    display_startup_errors
;      Default Value: Off
;      Development Value: On
;      Production Value: Off

;    error_reporting
;      Default Value: E_ALL & ~E_NOTICE
;      Development Value: E_ALL | E_STRICT
;      Production Value: E_ALL & ~E_DEPRECATED

谁能给点建议?如果我尝试诸如 $obj = new ObjectDoesntExist; 之类的东西，它不会告诉我 Fatal error: Class 'ObjectDoesntExist' 它会给我一个服务器 500 错误.

Can anyone advise? If I try something like $obj = new ObjectDoesntExist; it doesn't tell me Fatal error: Class 'ObjectDoesntExist' it gives me a server 500 error.

有什么建议吗?

* 我安装的模块是:mysql-server mysql-client apache2 php5 libapache2-mod-php5 phpmyadmin.除此之外，它是 Ubuntu Server 12.04 LTS 的完全基础安装

* The modules I have installed are: mysql-server mysql-client apache2 php5 libapache2-mod-php5 phpmyadmin. Other than that it is a completely base install of Ubuntu Server 12.04 LTS

如果我在脚本的开头使用 ini_set('display_errors', '1'); ，它会正常显示错误，但如何在整个站点范围内启用?

If I use ini_set('display_errors', '1'); at the start of my script it displays errors as normal, but how do I enable this site wide?

答

您粘贴的 php.ini 代码段在每一行中都有一个分号(; 字符).分号是 php.ini 中注释的开始，因此分号之后的行中的所有内容都不会使用.尝试手动将 display_errors 设置为 on 并将 error_reporting 设置为 E_ALL，或删除适当的分号来解决此问题.

The php.ini snippet you pasted has a semicolon (the ; character) in each line. The semicolon is the start of a comment in php.ini, so everything in a line following a semicolon is not used. Try manually setting display_errors to on and error_reporting to E_ALL, or removing the appropriate semicolons to fix this.

此外，检查您的 apache 的错误日志，php 可能会在那里记录错误.

Furthermore, check your apache's error log, php might be logging its errors there.

PHP 不显示错误 - 内部服务器错误 (500)

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