the nginx.conf as below:

upstream my_server {
server localhost:8095;
keepalive 2000;
}

location /private/rush2purchase/ {
limit_conn addr 20;
proxy_pass http://my_server/private/rush2purchase/;
proxy_set_header Host $host:$server_port;
rewrite_by_lua_file D:/tmp/lua/draw_r.lua;
log_by_lua_file D:/tmp/lua/draw_decr.lua;
}

when I send request to http://localhost/private/rush2purchase/ ,it works fine the the stream server is up,
but when I shutdown the upstream server(port:8095),I find the code not executed in log_by_lua_file (draw_decr.lua).

info in nginx access.log:
127.0.0.1 - - [01/Dec/2017:21:03:20 +0800] "GET /private/rush2purchase/ HTTP/1.1" 504 558 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3236.0 Safari/537.36"

error message in nginx error.log:
2017/12/01 21:02:20 [error] 35292#42868: *3298 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 127.0.0.1, server: localhost, request: "GET /private/rush2purchase/ HTTP/1.1", upstream: "http://[::1]:8095/private/rush2purchase/", host: "localhost"
2017/12/01 21:03:20 [error] 35292#42868: *3298 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 127.0.0.1, server: localhost, request: "GET /private/rush2purchase/ HTTP/1.1", upstream: "http://127.0.0.1:8095/private/rush2purchase/", host: "localhost"

How to fix it?




Tong
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