From a22a3a9861a36ebb141c4bfbf2d16039a427a114 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Thu, 24 Jan 2019 12:42:36 -0500
Subject: [PATCH] fix: log error to prevent headers already sent

retry on uniq index fail
---
 src/controllers/topics.js  | 3 ++-
 src/database/mongo/sets.js | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/controllers/topics.js b/src/controllers/topics.js
index 6e2f72785c..d5bdffbb3f 100644
--- a/src/controllers/topics.js
+++ b/src/controllers/topics.js
@@ -3,6 +3,7 @@
 
 var async = require('async');
 var nconf = require('nconf');
+var winston = require('winston');
 
 var user = require('../user');
 var meta = require('../meta');
@@ -172,7 +173,7 @@ topicsController.get = function getTopic(req, res, callback) {
 			if (req.loggedIn) {
 				topics.markAsRead([tid], req.uid, function (err, markedRead) {
 					if (err) {
-						return callback(err);
+						return winston.error(err);
 					}
 					if (markedRead) {
 						topics.pushUnreadCount(req.uid);
diff --git a/src/database/mongo/sets.js b/src/database/mongo/sets.js
index 7d628d9b69..97f8371a35 100644
--- a/src/database/mongo/sets.js
+++ b/src/database/mongo/sets.js
@@ -55,6 +55,9 @@ module.exports = function (db, module) {
 		}
 
 		bulk.execute(function (err) {
+			if (err && err.message.startsWith('E11000 duplicate key error')) {
+				return process.nextTick(module.setsAdd, keys, value, callback);
+			}
 			callback(err);
 		});
 	};