From 56b77c300c6ebd17dab3c7abdc53983ebc5b22df Mon Sep 17 00:00:00 2001
From: Brian Gough <bjg@network-theory.co.uk>
Date: Wed, 29 Apr 2015 15:54:08 +0100
Subject: [PATCH] log errors when copying files from cache

---
 services/clsi/app/coffee/UrlCache.coffee | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/services/clsi/app/coffee/UrlCache.coffee b/services/clsi/app/coffee/UrlCache.coffee
index 1836a4e73c..153e133e2e 100644
--- a/services/clsi/app/coffee/UrlCache.coffee
+++ b/services/clsi/app/coffee/UrlCache.coffee
@@ -62,6 +62,8 @@ module.exports = UrlCache =
 
 	_copyFile: (from, to, _callback = (error) ->) ->
 		callbackOnce = (error) ->
+			if error?
+				logger.error err: error, from:from, to:to, "error copying file from cache"
 			_callback(error)
 			_callback = () ->
 		writeStream = fs.createWriteStream(to)