# HG changeset patch
# User Sergey Kandaurov <pluknet@nginx.com>
# Date 1593106273 -10800
# Node ID 908cae4f307839d698feb7af0d257879d3d70849
# Parent  a62849b6463cacba9739cd7ccb1206a9941b5895
HTTP/3: do not emit a DATA frame header for header_only responses.

This resulted in the frame error due to the invalid DATA frame length.

diff --git a/src/http/v3/ngx_http_v3_request.c b/src/http/v3/ngx_http_v3_request.c
--- a/src/http/v3/ngx_http_v3_request.c
+++ b/src/http/v3/ngx_http_v3_request.c
@@ -666,7 +666,7 @@ ngx_http_v3_create_header(ngx_http_reque
     hl->buf = b;
     hl->next = cl;
 
-    if (r->headers_out.content_length_n >= 0) {
+    if (r->headers_out.content_length_n >= 0 && !r->header_only) {
         len = 1 + ngx_http_v3_encode_varlen_int(NULL,
                                               r->headers_out.content_length_n);