A strange 'bug' in stream, it always aborts the first server in upstream
eventhough there is nothing wrong with the server.
2015/10/05 12:21:01 [info] 1436#684: *1 client 192.168.xxx.xxx:1994
connected to 0.0.0.0:xxxx
2015/10/05 12:21:01 [info] 1436#684: *1 proxy 192.168.xxx.xxx:1493 connected
to 192.168.xxx.200:xxxx
2015/10/05 12:21:03 [info] 1436#684: *1 client disconnected, bytes from/to
client:334/192600, bytes from/to upstream:192600/334
>>server1 in upstream aborted after 2 seconds
2015/10/05 12:21:04 [info] 1436#684: *3 client 192.168.xxx.xxx:1998
connected to 0.0.0.0:xxxx
2015/10/05 12:21:04 [info] 1436#684: *3 proxy 192.168.xxx.xxx:1494 connected
to 192.168.xxx.200:xxxx
>>server2 (which is the same as server1) connects ok and streams perfect
stream {
upstream backendst {
# servers are all the same, when using different servers the problem
remains
# when using only one server the logs say the same, abort on first attempt,
after 2 seconds a second attempt works ok
server 192.168.xxx.200:xxxx;
server 192.168.xxx.200:xxxx;
}
server {
listen xxxx;
# extremely tight timeout settings, have tested with 10x these values which
made no difference to the issue
proxy_connect_timeout 10s; # to proxy backend
proxy_timeout 10s; # to client
proxy_next_upstream on;
proxy_next_upstream_timeout 10;
proxy_next_upstream_tries 2;
proxy_pass backendst;
}
}
nb. I am aware it says "client disconnected" but this is not the case, wget,
curl, and a dozen other apps all do and log the same thing. Connecting
directly to upstream servers works fine too on the first try (no reconnect).
Posted at Nginx Forum:
http://forum.nginx.org/read.php?2,262006,262006#msg-262006
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