From 443ad67c9d885650ff35203b8440310a69536b8f Mon Sep 17 00:00:00 2001
From: "Xin,Zhang" <zhangxin@apache.org>
Date: Thu, 5 Mar 2020 17:56:17 +0800
Subject: [PATCH] fix headers may be null value at some situation (#96)

---
 modules/nodejs-agent/lib/plugins/http/http.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/nodejs-agent/lib/plugins/http/http.js b/modules/nodejs-agent/lib/plugins/http/http.js
index d60655e..d759f37 100644
--- a/modules/nodejs-agent/lib/plugins/http/http.js
+++ b/modules/nodejs-agent/lib/plugins/http/http.js
@@ -96,7 +96,7 @@ module.exports = function(httpModule, instrumentation, contextManager) {
             let contextCarrier = new ContextCarrier();
             let span = contextManager.createExitSpan(options.path, options.host + ":" + options.port, contextCarrier);
             contextCarrier.pushBy(function(key, value) {
-                if (!options.hasOwnProperty("headers")) {
+                if (!options.hasOwnProperty("headers") || !options.headers) {
                     options.headers = {};
                 }
                 options.headers[key] = value;
-- 
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