commit f9907b72a76a21ac5413187b83177a919475c75f Author: Yichun Zhang (agentzh) Date: Wed Feb 10 16:05:08 2016 -0800 bugfix: upstream: keep sending request data after the first write attempt. See http://mailman.nginx.org/pipermail/nginx-devel/2012-March/002040.html for more details on the issue. diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c index 69019417..92b7c97f 100644 --- a/src/http/ngx_http_upstream.c +++ b/src/http/ngx_http_upstream.c @@ -2239,7 +2239,7 @@ ngx_http_upstream_send_request_handler(ngx_http_request_t *r, #endif - if (u->header_sent && !u->conf->preserve_output) { + if (u->request_body_sent && !u->conf->preserve_output) { u->write_event_handler = ngx_http_upstream_dummy_handler; (void) ngx_handle_write_event(c->write, 0);