From dcd7b544916f9a90a7509296dd8c6a0d9df3febb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rau=CC=81l=20Montes?= <raulmt@gmail.com>
Date: Wed, 30 Aug 2017 18:34:53 -0300
Subject: [PATCH] [fix] Undeterministic error in polling buffer processing

---
 lib/transports/polling.js | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/transports/polling.js b/lib/transports/polling.js
index 5d15c0763..c7d015eb1 100644
--- a/lib/transports/polling.js
+++ b/lib/transports/polling.js
@@ -140,11 +140,10 @@ Polling.prototype.onDataRequest = function (req, res) {
   var self = this;
 
   function cleanup () {
-    chunks = isBinary ? new Buffer(0) : '';
     req.removeListener('data', onData);
     req.removeListener('end', onEnd);
     req.removeListener('close', onClose);
-    self.dataReq = self.dataRes = null;
+    self.dataReq = self.dataRes = chunks = null;
   }
 
   function onClose () {
@@ -163,7 +162,7 @@ Polling.prototype.onDataRequest = function (req, res) {
     }
 
     if (contentLength > self.maxHttpBufferSize) {
-      chunks = '';
+      chunks = isBinary ? new Buffer(0) : '';
       req.connection.destroy();
     }
   }