On Sat, 2022-11-19 at 23:10 +0530, sreenivas somavarapu wrote: > Hi Oleg, > > Thank you for your reply. > > My simple use case is I want to control on which channel / protocol > (HTTP 1.x or HTTP 2) the requests should use using async httpclient > api implementation irrespective of backend server enablement of that > respective protocol.
This makes no sense. If the opposite endpoint does not support H2 HttpClient will not be able to execute request with that protocol. Oleg > Regards, > Sreenivas > > On Sat, Nov 19, 2022, 3:47 PM Oleg Kalnichevski <ol...@apache.org> > wrote: > > On Fri, 2022-11-18 at 13:45 +0530, sreenivas somavarapu wrote: > > > Hi Oleg, > > > > > > Thank you for your reply and conformation. > > > > > > I was looking at async APIs on how to achieve both HTTP 1.x and > > > HTTP > > > 2 > > > support using same HttpAsyncClients builder but initial glance at > > > APIs > > > looks like it is not possible. Is my understanding correct? > > > > > > No, it is not. > > > > > > > Below are > > > different types of configurations I have used. Please let me know > > > if > > > you > > > need my complete sample code? For these tests I was using IIS > > > server > > > with > > > HTTP2 enabled and as well as https://hc.apache.org website as > > > well. > > > > > > I am trying with *setVersionPolicy* method on *HttpAsyncClients* > > > API > > > and if > > > use *NEGOTIATE* version policy then it is working fine. If I use > > > any > > > of > > > *FORCE_HTTP_** version policy then I am getting *400 bad > > > request*. > > > > > > If I keep it as *NEGOTIATE* and then try to force HTTP2 request > > > using > > > *AsyncRequestBuilder* APIs setVersion method bu using > > > *HttpVersion.HTTP_2* > > > or *HttpVersion.HTTP_2_0* argument request is failing with > > > *Unsupported > > > version* error. > > > > > > My usecase is I have a small web app which will be used by users > > > to > > > get > > > data from different servers. I am using httpclient here to get > > > data > > > from > > > pre-configured servers which I even don't know before hand. > > > Basically > > > kind > > > of reverse proxy. So if users request the data using HTTP 1.x I > > > have > > > to get > > > data from backend server using HTTP 1.x only and vice-versa as > > > well. > > > > > > Thank you once again for the help you are providing. > > > > > > > I am not sure I understand what your are trying to do here. If want > > HttpClient to negotiate the protocol you need to use the NEGOTIATE > > protocol policy with HTTPS. One only needs to use FORCE_HTTP_2 when > > connecting to an HTTP/2 endpoint over HTTP (so called h2c). > > > > Oleg > > > > > > ------------------------------------------------------------------- > > -- > > To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org > > For additional commands, e-mail: > > httpclient-users-h...@hc.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org For additional commands, e-mail: httpclient-users-h...@hc.apache.org
