From b5da641d4823f96f3e8f18bbf8fcf54ad99e9548 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Wed, 12 Dec 2018 13:23:29 +1100
Subject: [PATCH] Uses the DefaultLockFactory to set the lock

---
 src/Umbraco.Examine/LuceneIndexCreator.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Examine/LuceneIndexCreator.cs b/src/Umbraco.Examine/LuceneIndexCreator.cs
index c1fe7ae772..572de1e8a8 100644
--- a/src/Umbraco.Examine/LuceneIndexCreator.cs
+++ b/src/Umbraco.Examine/LuceneIndexCreator.cs
@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.IO;
 using Examine;
+using Examine.LuceneEngine.Directories;
 using Lucene.Net.Store;
 using Umbraco.Core.IO;
 
@@ -29,10 +30,13 @@ namespace Umbraco.Examine
                 System.IO.Directory.CreateDirectory(dirInfo.FullName);
 
             var luceneDir = new SimpleFSDirectory(dirInfo);
+
             //we want to tell examine to use a different fs lock instead of the default NativeFSFileLock which could cause problems if the appdomain
             //terminates and in some rare cases would only allow unlocking of the file if IIS is forcefully terminated. Instead we'll rely on the simplefslock
             //which simply checks the existence of the lock file
-            luceneDir.SetLockFactory(new NoPrefixSimpleFsLockFactory(dirInfo));
+            // The full syntax of this is: new NoPrefixSimpleFsLockFactory(dirInfo)
+            // however, we are setting the DefaultLockFactory in startup so we'll use that instead since it can be managed globally.
+            luceneDir.SetLockFactory(DirectoryFactory.DefaultLockFactory(dirInfo));
             return luceneDir;
         }
     }