Oleg, I created a ticket and a branch for https://issues.apache.org/jira/browse/HTTPCORE-482
Can you please review/update and merge if OK? Thank you, Gary On Wed, Aug 16, 2017 at 3:00 PM, Gary Gregory <[email protected]> wrote: > Hi All (Oleg, really) > > I am wondering how to fix/deal with the a timeout occurring in an async > proxy when an origin server takes too long to reply. > > You can reproduce this issue with our asyn example NHttpReverseProxy: > > Start it with: http://postman-echo.com 8888 > > Then run: > > curl --verbose --max-time 1000 http://localhost:8888/delay/3 > > and you will get an EMPTY response from the server, no HTTP status code > where I would expect a 504 or 500. > > The proxy prints out: > > Reverse proxy to http://postman-echo.com:80 > [client->proxy] connection open 127.0.0.1:8888<->127.0.0.1:61128 > [client->proxy] 00000001 GET /delay/3 HTTP/1.1 > [client->proxy] 00000001 request completed > [proxy->origin] connection open 192.168.0.112:61130<->52.44.234.173:80 > [proxy->origin] 00000001 GET /delay/3 HTTP/1.1 > [proxy->origin] 00000001 request completed > [client->proxy] connection closed 127.0.0.1:8888<->127.0.0.1:61128 > [client<-proxy] 00000001 java.net.SocketTimeoutException > [proxy->origin] connection released 192.168.0.112:61130<->52.44.234.173:80 > [proxy->origin] [total kept alive: 0; total allocated: 0 of 100] > [proxy->origin] connection closed 192.168.0.112:61130<->52.44.234.173:80 > > Curl prints: > > * STATE: INIT => CONNECT handle 0x600057930; line 1410 (connection #-5000) > * Added connection 0. The cache now contains 1 members > * STATE: CONNECT => WAITRESOLVE handle 0x600057930; line 1446 (connection > #0) > * Trying ::1... > * TCP_NODELAY set > * STATE: WAITRESOLVE => WAITCONNECT handle 0x600057930; line 1527 > (connection #0) > * Trying 127.0.0.1... > * TCP_NODELAY set > * Connected to localhost (127.0.0.1) port 8888 (#0) > * STATE: WAITCONNECT => SENDPROTOCONNECT handle 0x600057930; line 1579 > (connection #0) > * Marked for [keep alive]: HTTP default > * STATE: SENDPROTOCONNECT => DO handle 0x600057930; line 1597 (connection > #0) > > GET /delay/3 HTTP/1.1 > > Host: localhost:8888 > > User-Agent: curl/7.54.1 > > Accept: */* > > > * STATE: DO => DO_DONE handle 0x600057930; line 1676 (connection #0) > * STATE: DO_DONE => WAITPERFORM handle 0x600057930; line 1801 (connection > #0) > * STATE: WAITPERFORM => PERFORM handle 0x600057930; line 1811 (connection > #0) > * STATE: PERFORM => DONE handle 0x600057930; line 1980 (connection #0) > * multi_done > * Empty reply from server > * Connection #0 to host localhost left intact > * Expire cleared > *curl: (52) Empty reply from server* > > A bug in the example proxy? In HttpCore? Both? Or something missing in the > implementation of the example async proxy? > > Thoughts? > > Thank you, > Gary >
