From e8b245e857d00c087bb2b331766034d03c704ca9 Mon Sep 17 00:00:00 2001
From: Henry Oswald <henry.oswald@sharelatex.com>
Date: Wed, 5 Mar 2014 18:13:40 +0000
Subject: [PATCH] check that res has not already been sent before sending catch
 500

---
 services/filestore/app.coffee | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/services/filestore/app.coffee b/services/filestore/app.coffee
index fc6cce6ede..027ec11119 100644
--- a/services/filestore/app.coffee
+++ b/services/filestore/app.coffee
@@ -35,7 +35,8 @@ app.use (req, res, next) ->
 	requestDomain.add req
 	requestDomain.add res
 	requestDomain.on "error", (err)->
-		res.send 500
+		if !res.finished
+			res.send(500)
 		logger = require('logger-sharelatex')
 		req =
 			body:req.body