1 files changed, 11 insertions, 8 deletions
diff --git a/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs b/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
index a15a38177..9b2d603c7 100644
--- a/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
+++ b/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
@@ -1,15 +1,15 @@
 using System;
 using System.IO;
 using Emby.Server.Implementations.Data;
-using Emby.Server.Implementations.Serialization;
 using Jellyfin.Data.Entities;
 using Jellyfin.Data.Enums;
+using Jellyfin.Extensions.Json;
 using Jellyfin.Server.Implementations;
 using Jellyfin.Server.Implementations.Users;
-using MediaBrowser.Common.Json;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Model.Configuration;
+using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Users;
 using Microsoft.Extensions.Logging;
 using SQLitePCL.pretty;
@@ -27,7 +27,7 @@ namespace Jellyfin.Server.Migrations.Routines
         private readonly ILogger<MigrateUserDb> _logger;
         private readonly IServerApplicationPaths _paths;
         private readonly JellyfinDbProvider _provider;
-        private readonly MyXmlSerializer _xmlSerializer;
+        private readonly IXmlSerializer _xmlSerializer;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MigrateUserDb"/> class.
@@ -40,7 +40,7 @@ namespace Jellyfin.Server.Migrations.Routines
             ILogger<MigrateUserDb> logger,
             IServerApplicationPaths paths,
             JellyfinDbProvider provider,
-            MyXmlSerializer xmlSerializer)
+            IXmlSerializer xmlSerializer)
         {
             _logger = logger;
             _paths = paths;
@@ -82,11 +82,14 @@ namespace Jellyfin.Server.Migrations.Routines
 
                     var userDataDir = Path.Combine(_paths.UserConfigurationDirectoryPath, mockup.Name);
 
-                    var config = File.Exists(Path.Combine(userDataDir, "config.xml"))
-                        ? (UserConfiguration)_xmlSerializer.DeserializeFromFile(typeof(UserConfiguration), Path.Combine(userDataDir, "config.xml"))
+                    var configPath = Path.Combine(userDataDir, "config.xml");
+                    var config = File.Exists(configPath)
+                        ? (UserConfiguration?)_xmlSerializer.DeserializeFromFile(typeof(UserConfiguration), configPath) ?? new UserConfiguration()
                         : new UserConfiguration();
-                    var policy = File.Exists(Path.Combine(userDataDir, "policy.xml"))
-                        ? (UserPolicy)_xmlSerializer.DeserializeFromFile(typeof(UserPolicy), Path.Combine(userDataDir, "policy.xml"))
+
+                    var policyPath = Path.Combine(userDataDir, "policy.xml");
+                    var policy = File.Exists(policyPath)
+                        ? (UserPolicy?)_xmlSerializer.DeserializeFromFile(typeof(UserPolicy), policyPath) ?? new UserPolicy()
                         : new UserPolicy();
                     policy.AuthenticationProviderId = policy.AuthenticationProviderId?.Replace(
                         "Emby.Server.Implementations.Library",