nginx 1.1.11 *) Feature: the "so_keepalive" parameter of the "listen" directive. Thanks to Vsevolod Stakhov. *) Feature: the "if_not_empty" parameter of the "fastcgi/scgi/uwsgi_param" directives. *) Feature: the $https variable. *) Feature: the "proxy_redirect" directive supports variables in the first parameter. *) Feature: the "proxy_redirect" directive supports regular expressions. *) Bugfix: the $sent_http_cache_control variable might contain a wrong value if the "expires" directive was used. Thanks to Yichun Zhang. *) Bugfix: the "read_ahead" directive might not work combined with "try_files" and "open_file_cache". *) Bugfix: a segmentation fault might occur in a worker process if small time was used in the "inactive" parameter of the "proxy_cache_path" directive. *) Bugfix: responses from cache might hang.

--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -971,7 +971,7 @@ buffer:
 
         if (buf == NGX_ERROR) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                               "invalid parameter \"%V\"", &value[3]);
+                               "invalid buffer value \"%V\"", &name);
             return NGX_CONF_ERROR;
         }
 
@@ -1004,6 +1004,12 @@ ngx_http_log_set_format(ngx_conf_t *cf, 
     ngx_uint_t           i;
     ngx_http_log_fmt_t  *fmt;
 
+    if (cf->cmd_type != NGX_HTTP_MAIN_CONF) {
+        ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+                           "the \"log_format\" directive may be used "
+                           "only on \"http\" level");
+    }
+
     value = cf->args->elts;
 
     fmt = lmcf->formats.elts;