use webflux WebClient build proxy request to apisix-controller ingress ,return 400

[wangjia5693]

Description

question:
use webflux WebClient build proxy request to apisix-controller ingress ,return 400

LOG:
"CONNECT apisix.ingress.com:80 HTTP/1.1" 400 229 0.031 "-" "-" - - - "://"

CODE:

HttpClient httpClient = HttpClient.create().proxy(proxy -> proxy.type(ProxyProvider.Proxy.HTTP).address(new InetSocketAddress("10.0.0.110", 31278)));
ReactorClientHttpConnector connector = new ReactorClientHttpConnector(httpClient);
WebClient build = WebClient.builder()
.clientConnector(connector).build();
Mono mono = build
.post()
.uri("http://apisix.ingress.com")
.contentType(MediaType.APPLICATION_JSON)
.bodyValue("ttt")
.retrieve()
.bodyToMono(String.class)
.doOnError(Exception.class, err -> {
log.error("发生错误={}" ,err.getMessage());
});

    mono.subscribe(ConsumerWrapper.of(result -> {}));
    ThreadUtil.safeSleep(3000);

Environment

• APISIX version (run apisix version):
• Operating system (run uname -a):
• OpenResty / Nginx version (run openresty -V or nginx -V):
• etcd version, if relevant (run curl http://127.0.0.1:9090/v1/server_info):
• APISIX Dashboard version, if relevant:
• Plugin runner version, for issues related to plugin runners:
• LuaRocks version, for installation issues (run luarocks --version):