fix bugs with the current implementation

Signed-off-by: paule96 <paul-jeschke@outlook.com>

src/Dapr.Actors/Communication/ActorMessageBodyJsonSerializationProvider.cs

@@ -104,8 +104,8 @@ public MemoryStreamMessageBodySerializer(
             {
                 var _methodRequestParameterTypes = new List<Type>(methodRequestParameterTypes);
                 var _wrappedRequestMessageTypes = new List<Type>(wrappedRequestMessageTypes);
-                if(_wrappedRequestMessageTypes.Count != 1){
-                    throw new NotSupportedException("JSON serialisation should always provide the actor method, that was called" +
+                if(_wrappedRequestMessageTypes.Count > 1){
+                    throw new NotSupportedException("JSON serialisation should always provide the actor method (or nothing), that was called" +
                         " to support (de)serialisation. This is a dapr sdk error, open an issue on github.");
                 }
                 this.serializerOptions = new(serializerOptions)

src/Dapr.Actors/Communication/ActorMessageSerializersManager.cs

@@ -87,12 +87,14 @@ internal CacheEntry CreateSerializers((int interfaceId, string methodName) data)
             else
             {
                 // This path should be used for JSON serialization
-                var requestWrapperTypeAsList = new List<Type>(1){
-                    interfaceDetails.RequestWrappedKnownTypes.Single(r => r.Name == $"{data.methodName}ReqBody")
-                };
-                var responseWrapperTypeAsList = new List<Type>(1){
-                    interfaceDetails.RequestWrappedKnownTypes.Single(r => r.Name == $"{data.methodName}RespBody")
-                };
+                var requestWrapperTypeAsList = interfaceDetails.RequestWrappedKnownTypes.Where(r => r.Name == $"{data.methodName}ReqBody").ToList();
+                if(requestWrapperTypeAsList.Count > 1){
+                    throw new NotSupportedException($"More then one wrappertype was found for {data.methodName}");
+                }
+                var responseWrapperTypeAsList = interfaceDetails.ResponseWrappedKnownTypes.Where(r => r.Name == $"{data.methodName}RespBody").ToList();
+                    if(responseWrapperTypeAsList.Count > 1){
+                    throw new NotSupportedException($"More then one wrappertype was found for {data.methodName}");
+                }
                 return new CacheEntry(
                     this.serializationProvider.CreateRequestMessageBodySerializer(serviceInterfaceType, requestBodyTypes, requestWrapperTypeAsList),
                     this.serializationProvider.CreateResponseMessageBodySerializer(serviceInterfaceType, responseBodyTypes, responseWrapperTypeAsList));