On 06 Dec 2004, at 06:02, J. D. wrote:

> What is the best way to debug fastcgi scripts?
>
> Do you use Ruby?  Expect?  Or just deal with 'incomplete header' 
> messages in the Apache logs?

1) Run the equivalent as a regular CGI, make sure it works.
2) Swear
3) Play with rescue and printing to STDERR until you find the error.