From 7b3e3bf68d4187485eb3f727ad28c19f7df02132 Mon Sep 17 00:00:00 2001
From: lyyoung <920157259@qq.com>
Date: Sat, 19 Oct 2019 11:27:11 +0800
Subject: [PATCH] bugfix:zipkin plugin not set tracing data to request header.

---
 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 f3c193118b6e..37898d9e2217 100644
--- a/lua/apisix/plugins/zipkin.lua
+++ b/lua/apisix/plugins/zipkin.lua
@@ -122,7 +122,7 @@ 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