From d9763eb1057fbfd511afb85669e58ce30df04f50 Mon Sep 17 00:00:00 2001
From: Brian Gough <bjg@network-theory.co.uk>
Date: Tue, 23 May 2017 13:55:10 +0100
Subject: [PATCH] log corrupt updates

---
 services/track-changes/app/coffee/UpdatesManager.coffee | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/track-changes/app/coffee/UpdatesManager.coffee b/services/track-changes/app/coffee/UpdatesManager.coffee
index af001f7959..3a2cbf29c1 100644
--- a/services/track-changes/app/coffee/UpdatesManager.coffee
+++ b/services/track-changes/app/coffee/UpdatesManager.coffee
@@ -97,7 +97,9 @@ module.exports = UpdatesManager =
 			length = docUpdates.length
 			# parse the redis strings into ShareJs updates
 			RedisManager.expandDocUpdates docUpdates, (error, rawUpdates) ->
-				return callback(error) if error?
+				if error?
+					logger.err project_id: project_id, doc_id: doc_id, docUpdates: docUpdates, "failed to parse docUpdates"
+					return callback(error)
 				logger.log project_id: project_id, doc_id: doc_id, rawUpdates: rawUpdates, "retrieved raw updates from redis"
 				UpdatesManager.compressAndSaveRawUpdates project_id, doc_id, rawUpdates, temporary, (error) ->
 					return callback(error) if error?