Nginx patch for unexpected FASTCGI_END_REQUEST on php keep_conn + fastcgi_finish_request

Maxim Dounin mdounin at
Fri Jul 4 13:23:31 UTC 2014


On Fri, Jul 04, 2014 at 05:18:52PM +0400, Dmitry Saprykin wrote:

> Hello,
> This changeset adds support for FastCGI FCGI_END_REQUEST record type.
> Now nginx does not process this type of FastCGI record.
> In case of usage php fastcgi upstream which finishes FastCGI
> requests before end of script using fastcgi_finish_request() call
> it leads to "upstream sent unexpected FastCGI record: 3 while reading
> response header from upstream" error messages and 502 for clients.
> Changeset parses FCGI_END_REQUEST FastCGI records and ignores it
> if keep_conn is enabled and record has type FCGI_REQUEST_COMPLETE.

What makes you think that this is something to be fixed in nginx?  
The FCGI_END_REQUEST record is clearly unexpected if there are no 
requests in flight.  You may want to focus on fixing the problem 
in php instead.

Maxim Dounin

More information about the nginx-devel mailing list