I'm running an Apache 2.4.18 web server (Server-A) compiled from source as a reverse proxy. I'm using ProxyPass on Server-A to pass traffic to a proxy, nghttpx, listening on
127.0.0.1:3000. This nghttpx proxy sends traffic to a second server, Server-B, across the network. Connections from a web browser on Client-C work fine connecting to Server-A that connects to nghttpx proxy on
127.0.0.1:3000 that connects to Server-B. These connections only work when Server-B is using Apache 2.4.17. When Server-B is using Apache 2.4.18 the connection errors out and will not complete. The exact error message is down below this narrative. I'm not sure why it is requesting http://(null)/ . At this point, the only that has changes is Server-B's version of Apache. Neither Server-A or the nghttpx's configuration change, just the version of Apache on Server-B. I've built both Apache 2.4.17 and 2.4.18 from source on Server-B using the same configurations. The debug output from mod_http2 for both a failed and successful connection can be found here:
http://pastebin.com/XnUL8aeh . Is this is a bug in Apache 2.4.18 or is there something else I can try and do to narrow the problem down?
[Sat Mar 12 20:54:53.087621 2016] [http2:debug] [pid 21439:tid 140096657385216] h2_stream.c(321): [client
192.168.56.120:34283] h2_stream(73-1): RST=2 (internal err) GET http://(null)/
