Headers not send on http CONNECT method

[draffter]

Expected behavior

When method CONNECT is called, all headers sets in HTTP Header Manager will be send

Actual behavior

only host and user-agent are sent

CONNECT

2024-07-11 17:25:42,951 DEBUG o.a.h.headers: http-outgoing-45 >> CONNECT example.com:443 HTTP/1.1 2024-07-11 17:25:42,951 DEBUG o.a.h.headers: http-outgoing-45 >> Host: example.com 2024-07-11 17:25:42,951 DEBUG o.a.h.headers: http-outgoing-45 >> User-Agent: Apache-HttpClient/4.5.14 (Java/17.0.11) 2024-07-11 17:25:42,952 DEBUG o.a.h.headers: http-outgoing-45 << HTTP/1.0 200 OK 2024-07-11 17:25:42,953 DEBUG o.a.h.headers: http-outgoing-45 << Server: BaseHTTP/0.6 Python/3.10.14 2024-07-11 17:25:42,953 DEBUG o.a.h.headers: http-outgoing-45 << Date: Thu, 11 Jul 2024 15:25:42 GMT

GET

2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> GET / HTTP/1.1 2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> Connection: keep-alive 2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> Content-Type: application/json 2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> Proxy-Authorization: Basic dXNlcjp0UTFSUXB2VjBvUHFEQ2ZLT2tUU2VtQmhFbmM= 2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> Host: example.com 2024-07-11 17:25:43,038 DEBUG o.a.h.headers: http-outgoing-45 >> User-Agent: Apache-HttpClient/4.5.14 (Java/17.0.11) 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << HTTP/1.1 200 OK 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Server: nginx/1.25.4 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Date: Thu, 11 Jul 2024 15:25:43 GMT 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Content-Type: text/html 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Content-Length: 661720 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Connection: keep-alive 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Last-Modified: Tue, 27 Feb 2024 08:46:45 GMT 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << ETag: "a18d8-6125910ed76ab" 2024-07-11 17:25:43,105 DEBUG o.a.h.headers: http-outgoing-45 << Accept-Ranges: bytes

Steps to reproduce the problem

1. Set sampler to HttpRequest calls https address like "https://example.org"
2. Set proxy ex.: "http://proxy.local:8242
3. Add HTTP Header Manager and set header like "Proxy-Authorization: Basic dXNlcjp0UTFSUXB2VjBvUHFEQ2ZLT2tUU2VtQmhFbmM="
4. Call request

JMeter Version

5.6.3

Java Version

openjdk 17

OS Version

Fedora 39