From 9fb7bd1367a9fe85689d33860ed44a998cb54d3a Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Mon, 17 Oct 2016 12:41:08 -0400
Subject: [PATCH] try to fix unhandled exception in file refresher

---
 .../IO/FileRefresher.cs                                | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/MediaBrowser.Server.Implementations/IO/FileRefresher.cs b/MediaBrowser.Server.Implementations/IO/FileRefresher.cs
index 3df7a03d4c..c2c776c2bb 100644
--- a/MediaBrowser.Server.Implementations/IO/FileRefresher.cs
+++ b/MediaBrowser.Server.Implementations/IO/FileRefresher.cs
@@ -45,6 +45,11 @@ namespace MediaBrowser.Server.Implementations.IO
 
         private void AddAffectedPath(string path)
         {
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                throw new ArgumentNullException("path");
+            }
+
             if (!_affectedPaths.Contains(path, StringComparer.Ordinal))
             {
                 _affectedPaths.Add(path);
@@ -53,6 +58,11 @@ namespace MediaBrowser.Server.Implementations.IO
 
         public void AddPath(string path)
         {
+            if (string.IsNullOrWhiteSpace(path))
+            {
+                throw new ArgumentNullException("path");
+            }
+
             lock (_timerLock)
             {
                 AddAffectedPath(path);