Re: Strange behavior of Expect 100 Continue

On 2/6/2025 5:30 AM, Daniel Stenberg via curl-library wrote:
> On Mon, 3 Feb 2025, [Quipsy] Markus Karg via curl-library wrote:
>
>> The application is using curl easy API to create a curl instance, 
>> sends a request, closes the instances, then does the same again, etc. 
>> - which is working PRETTY WELL but rather slow.
>>
>> In an attempt to speed up things we wanted to reuse the existing 
>> http/1.1 connection, so we removed the closing and reinitializing of 
>> curl between each http invocation.
>>
>> But now the second invocation gets "100 Continue" response instead of 
>> "200 OK"...?!
>
> From a libcurl point of view it makes the same identical HTTP request 
> wether the connection is reused or fresh. It should not change the 
> server behavior as to a 100 is returned or not. I would expect it to 
> come or not come independent of connection reuse.
>
> I think this implies a bug somewhere. 


Markus did you ever determine whether your application was the cause of 
the problem? If you think there is a bug in curl then please try the 
latest version [1] and if if the problem is still present then can you 
open an issue [2] and include instructions that we can use to reproduce? 
Thanks


[1]: https://curl.se/download.html
[2]: https://github.com/curl/curl/issues/new?template=bug_report.yml

-- 
Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library
Etiquette:   https://curl.se/mail/etiquette.html