From be3a0d84a1e75b45bc1fc63fe63cdabd9844eb59 Mon Sep 17 00:00:00 2001
From: isaacs <i@izs.me>
Date: Sat, 27 Aug 2011 11:52:05 -0700
Subject: [PATCH] Handle cases where res.write throws

---
 lib/node-http-proxy.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/lib/node-http-proxy.js b/lib/node-http-proxy.js
index 6aeee31..eb72268 100644
--- a/lib/node-http-proxy.js
+++ b/lib/node-http-proxy.js
@@ -513,9 +513,17 @@ HttpProxy.prototype.proxyRequest = function (req, res, options) {
 
     // For each data `chunk` received from the `reverseProxy`
     // `response` write it to the outgoing `res`.
+    // If the res socket has been killed already, then write()
+    // will throw. Nevertheless, try our best to end it nicely.
     response.on('data', function (chunk) {
-      if (req.method !== 'HEAD') {
-        res.write(chunk);
+      if (req.method !== 'HEAD' && res.writable) {
+        try {
+          res.write(chunk);
+        } catch (er) {
+          try {
+            res.end();
+          } catch (er) {}
+        }
       }
     });
 
@@ -909,4 +917,4 @@ HttpProxy.prototype.proxyWebSocketRequest = function (req, socket, head, options
   if (options.buffer && !errState) {
     options.buffer.resume();
   }
-};
\ No newline at end of file
+};