Is this a bug???

马优生 ysma at
Tue Feb 21 04:47:37 UTC 2012

      I have the following questions about add_header instruction.(version 1.1.8)

      This is my nginx.conf

            43 add_header Server ok;
            44 location / {
            45 add_header location ok;
            46 root html;
            47 index index.html index.htm;

      then construct a request:

      [root at gitclubs conf]# curl -I http://localhost/
      HTTP/1.1 200 OK
      Server: nginx/1.0.12
      Date: Mon, 20 Feb 2012 08:13:02 GMT
      Content-Type: text/html
      Content-Length: 151
      Last-Modified: Mon, 13 Feb 2012 02:12:22 GMT
      Connection: keep-alive
      location: ok
      Accept-Ranges: bytes
      [root at gitclubs conf]# 

      There is only location header.

      In ngx_http_headers_merge_conf()  (ngx_http_headers_filter_module.c)
            440       if (conf->headers == NULL) {
            441             conf->headers = prev->headers;
            442       }

      If I config add_header in location and server, then prev->headers can't be merged to conf->headers.
      Is this intended or a bug?

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