Hello Artem, Go ahead and propose a patch or PR. It will be a clearer base to discuss.
Thank you On Wed, Aug 22, 2018 at 10:56 AM Artem Fedorov <[email protected]> wrote: > I work with the latest JMeter version from github > (revision f27c31590cf07bc8427663b62fc22d6d650b95af) > > I create a Thread Group with 1 loop and 1 user. This Thread Group contains > View Results Tree (Listener) and HTTP Resuest (Sampler) > > Configuration of HTTP Sampler: > > <HTTPSamplerProxy guiclass="HttpTestSampleGui" > > testclass="HTTPSamplerProxy" testname="HTTP Request" enabled="true"> > > <elementProp name="HTTPsampler.Arguments" > > elementType="Arguments" guiclass="HTTPArgumentsPanel" > testclass="Arguments" > > testname="User Defined Variables" enabled="true"> > > <collectionProp name="Arguments.arguments"/> > > </elementProp> > > <stringProp name="HTTPSampler.domain"></stringProp> > > <stringProp name="HTTPSampler.port"></stringProp> > > <stringProp name="HTTPSampler.protocol"></stringProp> > > <stringProp name="HTTPSampler.contentEncoding"></stringProp> > > <stringProp name="HTTPSampler.path">http://blazedemo.com > > </stringProp> > > <stringProp name="HTTPSampler.method">GET</stringProp> > > <boolProp name="HTTPSampler.follow_redirects">true</boolProp> > > <boolProp name="HTTPSampler.auto_redirects">false</boolProp> > > <boolProp name="HTTPSampler.use_keepalive">true</boolProp> > > <boolProp name="HTTPSampler.DO_MULTIPART_POST">false</boolProp> > > <stringProp name="HTTPSampler.embedded_url_re"></stringProp> > > <stringProp name="HTTPSampler.proxyHost">localhost</stringProp> > > <stringProp name="HTTPSampler.proxyPort">3321</stringProp> > > <stringProp name="HTTPSampler.proxyUser">artem</stringProp> > > <stringProp name="HTTPSampler.proxyPass">artem</stringProp> > > <stringProp name="HTTPSampler.connect_timeout"></stringProp> > > <stringProp name="HTTPSampler.response_timeout"></stringProp> > > </HTTPSamplerProxy> > > > When I run this Test Plan I see 1 sample in the View Results Tree, but in > the access.log of squid I see 2 request from JMeter. > > 1534844834.248 0 127.0.0.1 TCP_DENIED/407 4056 GET > > http://blazedemo.com/ - HIER_NONE/- text/html > > 1534844834.320 52 127.0.0.1 TCP_MISS/200 8077 GET > > http://blazedemo.com/ artem HIER_DIRECT/54.93.131.97 text/html > > > So, in real test each Sampler will send 2 requests: > - 1st without authentication data (and will receive 407 http response code) > - TCP_DENIED/407 > - 2nd with authentication data(username/password/type) - will be a success > - TCP_MISS/200 > > JMeter (httpclient) send 1st request for detect authentication type > (Basic/Digest/NTLM/SPNEGO/Kerberos) which use proxy server. > If we will have 2 loops the JMeter will send 4 requests, 3 loops = 6 > requests etc. I would like to reduce number of request to the proxy server > and make request for detect authentication type once at the start of the > loop > > Artem > > On Wed, Aug 22, 2018 at 12:26 AM, Philippe Mouawad < > [email protected]> wrote: > > > Hello Artem, > > I am not sure to understand. > > > > Can you clarify with an example or reformulating what you mean by HTTP > > Request that use proxy with authentication. > > > > and also clarify what’s after that, it’s really not clear for me. > > > > Thank you > > > > On Tuesday, August 21, 2018, Artem Fedorov <[email protected] > > > > wrote: > > > > > HI All > > > > > > I configure HTTP Request that use proxy with authentication > > > > > > In proxy log I can see, that JMeter *always send 2 requests*: (I used > > > `squid` in tests) > > > > > > 1534844834.248 0 127.0.0.1 TCP_DENIED/407 4056 GET > > > > http://blazedemo.com/ - HIER_NONE/- text/html > > > > 1534844834.320 52 127.0.0.1 TCP_MISS/200 8077 GET > > > > http://blazedemo.com/ artem HIER_DIRECT/54.93.131.97 text/html > > > > > > > > > The first request JMeter send without authentication options, because > > this > > > options are create after server got a response with 401/407 code. > > > > > > In performance test I'll see the following log: (50 % of all requests > are > > > send without authentication options) - IMO this is incorrect load of > > proxy > > > server or we lose a lot of time for create authentication scheme for > each > > > request > > > > > > - TCP_DENIED/407 (without proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > - TCP_DENIED/407 (without proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > - TCP_DENIED/407 (without proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > .... > > > > > > The first request (the response for this request) use by httpclient for > > > detect Standard authentication type > (Basic/Digest/NTLM/SPNEGO/Kerberos). > > I > > > think If we have not dynamic proxy we can *reuse* knowledges about > > > authentication type in the second and subsequent requests. > > > After such changes we will see the following log: > > > > > > - TCP_DENIED/407 (without proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > - TCP_MISS/200 (with proxy authentication) > > > .... > > > > > > What do you think about such changes? If all is OK I can contribute the > > fix > > > > > > > > > Thanks, > > > Artem > > > > > > > > > -- > > Cordialement. > > Philippe Mouawad. > > Ubik-Ingénierie > > > > UBIK LOAD PACK Web Site <http://www.ubikloadpack.com/> > > > > UBIK LOAD PACK on TWITTER <https://twitter.com/ubikloadpack> > > > -- Cordialement. Philippe Mouawad.
