nginx got an 500 error when uploading files

[Maxim Dounin]

Hello!

On Sun, May 26, 2013 at 12:03:58PM +0800, baalchina wrote:

> Hi everyone,
> 
> I am using nginx 1.4.1 and php-fpm 5.3.25.
> 
> Everything is fine except when I uploading files to server.
> 
> I have a Discuz! x3(a forum system) and when I post threads, except
> attachment everything is fine, but when I add a small files(such as 30k
> rar,jpg or else), nginx give me a 500 error.
> 
> I checked the nginx/site error, but have no usefule information. nginx only
> tell me a got an 500 error, but didn't tell me why.
> 
> I tried to increase the fast_cgi parama:
> 
>   fastcgi_connect_timeout 300;
>   fastcgi_send_timeout 300;
>   fastcgi_read_timeout 300;
>   fastcgi_buffer_size 1024k;
>   fastcgi_buffers 32 64k;
>   fastcgi_busy_buffers_size 1500k;
>   fastcgi_temp_file_write_size 1800k;
> 
> But still the same.
> 
> 
> So, please help me for solve this problem, I wonder where can I got the
> error message?

If the 500 is returned by nginx, there should be an explanation in 
error log.

If there is nothing in error log - this suggests the 500 response 
is generated by php, and you have to dig into the php code to see 
what happens there.

-- 
Maxim Dounin
http://nginx.org/en/donation.html