3 files changed, 21 insertions, 3 deletions
diff --git a/Emby.Server.Implementations/ApplicationHost.cs b/Emby.Server.Implementations/ApplicationHost.cs
index e8aa019ab2..26a951ac6c 100644
--- a/Emby.Server.Implementations/ApplicationHost.cs
+++ b/Emby.Server.Implementations/ApplicationHost.cs
@@ -126,7 +126,6 @@ namespace Emby.Server.Implementations
         private IMediaEncoder _mediaEncoder;
         private ISessionManager _sessionManager;
         private string[] _urlPrefixes;
-        private readonly JsonSerializerOptions _jsonOptions = JsonDefaults.GetOptions();
 
         /// <summary>
         /// Gets a value indicating whether this instance can self restart.
@@ -487,8 +486,9 @@ namespace Emby.Server.Implementations
         /// Runs the startup tasks.
         /// </summary>
         /// <returns><see cref="Task" />.</returns>
-        public async Task RunStartupTasksAsync()
+        public async Task RunStartupTasksAsync(CancellationToken cancellationToken)
         {
+            cancellationToken.ThrowIfCancellationRequested();
             Logger.LogInformation("Running startup tasks");
 
             Resolve<ITaskManager>().AddTasks(GetExports<IScheduledTask>(false));
@@ -502,14 +502,21 @@ namespace Emby.Server.Implementations
 
             var entryPoints = GetExports<IServerEntryPoint>();
 
+            cancellationToken.ThrowIfCancellationRequested();
+
             var stopWatch = new Stopwatch();
             stopWatch.Start();
+
             await Task.WhenAll(StartEntryPoints(entryPoints, true)).ConfigureAwait(false);
             Logger.LogInformation("Executed all pre-startup entry points in {Elapsed:g}", stopWatch.Elapsed);
 
             Logger.LogInformation("Core startup complete");
             CoreStartupHasCompleted = true;
+
+            cancellationToken.ThrowIfCancellationRequested();
+
             stopWatch.Restart();
+
             await Task.WhenAll(StartEntryPoints(entryPoints, false)).ConfigureAwait(false);
             Logger.LogInformation("Executed all post-startup entry points in {Elapsed:g}", stopWatch.Elapsed);
             stopWatch.Stop();
diff --git a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
index a12a6b26c5..3624e079f5 100644
--- a/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
+++ b/Emby.Server.Implementations/EntryPoints/UdpServerEntryPoint.cs
@@ -1,5 +1,6 @@
 #nullable enable
 
+using System;
 using System.Net.Sockets;
 using System.Threading;
 using System.Threading.Tasks;
@@ -51,6 +52,8 @@ namespace Emby.Server.Implementations.EntryPoints
         /// <inheritdoc />
         public Task RunAsync()
         {
+            CheckDisposed();
+
             try
             {
                 _udpServer = new UdpServer(_logger, _appHost, _config);
@@ -64,6 +67,14 @@ namespace Emby.Server.Implementations.EntryPoints
             return Task.CompletedTask;
         }
 
+        private void CheckDisposed()
+        {
+            if (_disposed)
+            {
+                throw new ObjectDisposedException(this.GetType().Name);
+            }
+        }
+
         /// <inheritdoc />
         public void Dispose()
         {
diff --git a/Emby.Server.Implementations/Udp/UdpServer.cs b/Emby.Server.Implementations/Udp/UdpServer.cs
index 4fd7ac0c18..d01184e0b6 100644
--- a/Emby.Server.Implementations/Udp/UdpServer.cs
+++ b/Emby.Server.Implementations/Udp/UdpServer.cs
@@ -79,7 +79,7 @@ namespace Emby.Server.Implementations.Udp
         /// Starts the specified port.
         /// </summary>
         /// <param name="port">The port.</param>
-        /// <param name="cancellationToken"></param>
+        /// <param name="cancellationToken">The cancellation token to cancel operation.</param>
         public void Start(int port, CancellationToken cancellationToken)
         {
             _endpoint = new IPEndPoint(IPAddress.Any, port);