Thanks, I tried with v4 patch as well, still recieving a 502 bad gateway after sending a file via POST.
curl -v 'http://localhost:8080/action/forms/sprint-12/contact-page-85176' -X POST -T /tmp/test.dd * Trying 127.0.0.1... * TCP_NODELAY set * Connected to localhost (127.0.0.1) port 8080 (#0) > POST /action/forms/sprint-12/contact-page-85176 HTTP/1.1 > Host: localhost:8080 > User-Agent: curl/7.58.0 > Accept: */* > Content-Length: 104857600 > Expect: 100-continue > < HTTP/1.1 100 Continue < Via: 1.1 xyz.com:8080 * We are completely uploaded and fine < HTTP/1.1 502 Bad Gateway < Date: Fri, 08 Mar 2019 14:34:52 GMT < Server: Apache < Content-Length: 293 < Content-Type: text/html; charset=iso-8859-1 < <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>502 Bad Gateway</title> </head><body> <h1>Bad Gateway</h1> <p>The proxy server received an invalid response from an upstream server.<br /> </p> <hr> <address>Apache Server at localhost Port 8080</address> </body></html> * Connection #0 to host localhost left intact Apache logs this directly after sending the request: [Fri Mar 08 14:32:32.808488 2019] [proxy:error] [pid 15:tid 140341990573824] (104)Connection reset by peer: [client 10.244.13.181:53536] AH01084: pass request body failed to 127.0.0.1:42180 (localhost), referer: https://xyz.com/sprint-12/contact-page [Fri Mar 08 14:32:32.808571 2019] [proxy_http:error] [pid 15:tid 140341990573824] [client 10.244.13.181:53536] AH01097: pass request body failed to 127.0.0.1:42180 (localhost) from 10.244.13.181 (), referer: https://xyz.com/sprint-12/contact-page -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1641238 Title: as a reverse proxy, a 100 continue response is sent prematurely when a request contains expects: 100-continue To manage notifications about this bug go to: https://bugs.launchpad.net/apache2/+bug/1641238/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs