add the active method calls when throwing exception for message too l…

src/UiPath.CoreIpc/Connection.cs

@@ -46,6 +46,7 @@ public Connection(Stream network, ISerializer serializer, ILogger logger, string
     internal async ValueTask<Response> RemoteCall(Request request, CancellationToken token)
     {
         var requestCompletion = Rent();
+        requestCompletion.MethodName = request.MethodName;
         var requestId = request.Id;
         _requests[requestId] = requestCompletion;
         var tokenRegistration = token.UnsafeRegister(_cancelRequest, requestId);
@@ -211,7 +212,7 @@ private async Task ReceiveLoop()
                 var length = BitConverter.ToInt32(_buffer, startIndex: 1);
                 if (length > _maxMessageSize)
                 {
-                    throw new InvalidDataException($"Message too large. The maximum message size is {_maxMessageSize / (1024 * 1024)} megabytes.");
+                    throw new InvalidDataException($"Message too large. {Environment.NewLine} The maximum message size is {_maxMessageSize / (1024 * 1024)} megabytes. {Environment.NewLine} Active method calls: {string.Join(Environment.NewLine, _requests.Values.Select(r => r.MethodName))}");
                 }
                 _nestedStream.Reset(length);
                 await HandleMessage();

src/UiPath.CoreIpc/TaskCompletionPool.cs

@@ -7,6 +7,7 @@ internal static class TaskCompletionPool<T>
     public sealed class ManualResetValueTaskSource : IValueTaskSource<T>, IValueTaskSource
     {
         private ManualResetValueTaskSourceCore<T> _core; // mutable struct; do not make this readonly
+        public string MethodName { get; set; }
         public bool RunContinuationsAsynchronously { get => _core.RunContinuationsAsynchronously; set => _core.RunContinuationsAsynchronously = value; }
         public short Version => _core.Version;
         public ValueTask<T> ValueTask() => new(this, Version);