From ce403db00bb0488c75ce6d3ccea9de52abab42ba Mon Sep 17 00:00:00 2001
From: lyyoung <920157259@qq.com>
Date: Wed, 30 Oct 2019 10:35:32 +0800
Subject: [PATCH] bugfix:zipkin plugin not set tracing data to request header.
 (#715)

---
 lua/apisix/plugins/zipkin.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/apisix/plugins/zipkin.lua b/lua/apisix/plugins/zipkin.lua
index 942513c6ae48..1b72e3903b7b 100644
--- a/lua/apisix/plugins/zipkin.lua
+++ b/lua/apisix/plugins/zipkin.lua
@@ -119,7 +119,7 @@ function _M.access(conf, ctx)
     local outgoing_headers = {}
     tracer:inject(opentracing.proxy_span, "http_headers", outgoing_headers)
     for k, v in pairs(outgoing_headers) do
-        core.response.set_header(k, v)
+        core.request.set_header(k, v)
     end
 end