From 612986e4ae46d7c98001e7b8b7fd9b770c6646e6 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Fri, 26 Feb 2016 09:50:44 -0500
Subject: [PATCH] handle library monitor error

---
 .../IO/LibraryMonitor.cs                          | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs b/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs
index 25fda3ac10..5d0c90ccf3 100644
--- a/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs
+++ b/MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs
@@ -696,8 +696,21 @@ namespace MediaBrowser.Server.Implementations.IO
 
             foreach (var watcher in _fileSystemWatchers.Values.ToList())
             {
+                watcher.Created -= watcher_Changed;
+                watcher.Deleted -= watcher_Changed;
+                watcher.Renamed -= watcher_Changed;
                 watcher.Changed -= watcher_Changed;
-                watcher.EnableRaisingEvents = false;
+
+                try
+                {
+                    watcher.EnableRaisingEvents = false;
+                }
+                catch (InvalidOperationException)
+                {
+                    // Seeing this under mono on linux sometimes
+                    // Collection was modified; enumeration operation may not execute.
+                }
+
                 watcher.Dispose();
             }