[Mono-aspnet-list] How to find out of memory errors or other cause of 500 server error

Andrus kobruleht2 at hot.ee
Wed Jul 4 09:51:42 UTC 2012

MVC2 application is running under Debian with Mono 2.10 + mod_mono  using 
Parallels Desktop
Virtual Maschine has 256 KB of RAM.

If c# application creates big PDF files, 500 error page is returned to 

How to find reason of this error ? How to enable logging for this ?

Parallels desktop resource alert shows warning in this case :

Resource counter_memory_share_used red alert on environment

sssss.sss.com current value: 86 soft limit: 85 hard limit: 95


If memory is temporary increased to 1.25 GB
500 error does not occur. So it seems to be memory related

apache error.log contains huge number of lines

(process:25222): Pango-WARNING **: Invalid UTF-8 string passed to 


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