From: Ben Darnell <bdarnell@beaker.local>
Date: Tue, 29 Dec 2009 01:55:00 +0000 (-0800)
Subject: Don't try to write to a stream that was closed out from under us.
X-Git-Tag: v1.0.0~88^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=52d20a0dafe207a1f8da03b2be73b0682209b1c2;p=thirdparty%2Ftornado.git

Don't try to write to a stream that was closed out from under us.
This should get rid of all the "exception after headers written" spam
in our logs.
---

diff --git a/tornado/httpserver.py b/tornado/httpserver.py
index 9f0dfee10..894f0593d 100644
--- a/tornado/httpserver.py
+++ b/tornado/httpserver.py
@@ -225,7 +225,8 @@ class HTTPConnection(object):
 
     def write(self, chunk):
         assert self._request, "Request closed"
-        self.stream.write(chunk, self._on_write_complete)
+        if not self.stream.closed():
+            self.stream.write(chunk, self._on_write_complete)
 
     def finish(self):
         assert self._request, "Request closed"