[bug] possible bug in output chains

[Manlio Perillo]

Manlio Perillo ha scritto:
> Hi.
> 
> When doing some tests with mod_wsgi I have found a possible problem with 
> nginx output chains.
> 
> I write two separate buffers, of size <~ 1024 bytes, and a final 
> ngx_http_send_special(NGX_HTTP_LAST).
> 
> The problem is that nginx sends to the client the content of the last 
> buffer only, two times.
> 
> If the buffer is large enough, or if gzip filter is enable, the output 
> is correct.
> 
> I don't know if this is a bug in mod_wsgi.
> 

Some more info: if I call finalize_request with an error, after having 
sent the second buffer, then nginx sends incorrect trailing body to the 
client.

I have tested this case with a buffer size of 16 bytes.

I have attached the output produced by nginx (and received by wget).


P.S.: for some reason the Date header is sent two times, I have to 
investigate this.



Regards  Manlio Perillo
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