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Re: Error handling from filter modules

Roman Arutyunyan
October 16, 2015 02:18PM
> On 16 Oct 2015, at 15:22, Maxim Dounin <mdounin@mdounin.ru> wrote:
>
> Hello!
>
> On Fri, Oct 16, 2015 at 03:16:23PM +0300, Roman Arutyunyan wrote:
>
>>> So the question is do filters have to manually call
>>> ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); or is it
>>> expected that the upper layers should actually do the right thing and
>>> ensure the client doesn't get a bad response generated from the current
>>> state of r with no indication an error occurred?
>>
>> Calling ngx_http_finalize_request() is the most correct way to return an
>> error from a filter handler. It does some additional cleanup, which can
>> make sense in certain cases.
>
> Huh? The ngx_http_finalize_request() shouldn't be called from
> filters at all, this will cause incorrect reference counting and
> a segmentation fault as a most likely result.

Sorry, of course, I meant ngx_http_filter_finalize_request().

--
Roman Arutyunyan



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Subject Author Views Posted

Error handling from filter modules

steveh 700 October 15, 2015 09:38PM

Re: Error handling from filter modules

Roman Arutyunyan 317 October 16, 2015 08:18AM

Re: Error handling from filter modules

Maxim Dounin 296 October 16, 2015 08:24AM

Re: Error handling from filter modules

Roman Arutyunyan 317 October 16, 2015 02:18PM

Re: Error handling from filter modules

Maxim Dounin 313 October 16, 2015 08:22AM

Re: Error handling from filter modules

steveh 412 October 16, 2015 01:16PM

Re: Error handling from filter modules

Maxim Dounin 295 October 19, 2015 01:00PM

Re: Error handling from filter modules

steveh 397 October 19, 2015 06:04PM

Re: Error handling from filter modules

Maxim Dounin 312 October 19, 2015 10:02PM

Re: Error handling from filter modules

steveh 412 October 16, 2015 12:50PM



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