Reverted changes for trying to explode out endpoints in conventions a…

src/Transports/RabbitMQ/Wolverine.RabbitMQ.Tests/end_to_end.cs

@@ -81,6 +81,12 @@ public async Task rabbitmq_transport_is_exposed_as_a_resource()
     [Fact]
     public async Task find_endpoints_through_conventions_as_part_of_find_resources()
     {
+        if (DateTimeOffset.UtcNow > new DateTime(2025, 12, 25))
+        {
+            // Uncomment code in WolverineSystemPart
+            throw new Exception("Jeremy, you need to go try to fix this again!");
+        }
+
         using var host = Host.CreateDefaultBuilder()
             .UseWolverine(opts =>
             {

src/Wolverine/Runtime/Routing/MessageRoute.cs

@@ -85,7 +85,7 @@ public Envelope CreateForSending(object message, DeliveryOptions? options, ISend
         var envelope = new Envelope(message, Sender)
         {
             Serializer = Serializer,
-            ContentType = Serializer.ContentType,
+            ContentType = Serializer?.ContentType,
             TopicName = topicName
         };
 

src/Wolverine/WolverineSystemPart.cs

@@ -211,15 +211,17 @@ public override async ValueTask<IReadOnlyList<IStatefulResource>> FindResources(
                     }
                 }
 
+                // TODO -- this did not work. Try again by the end of 2025
+
                 // Force Wolverine to find all message types...
-                var messageTypes = _runtime.Options.Discovery.FindAllMessages(_runtime.Options.HandlerGraph);
-
-                // ...and force Wolverine to *also* execute the routing, which
-                // may discover new endpoints
-                foreach (var messageType in messageTypes.Where(x => x.Assembly != GetType().Assembly))
-                {
-                    _runtime.RoutingFor(messageType);
-                }
+                // var messageTypes = _runtime.Options.Discovery.FindAllMessages(_runtime.Options.HandlerGraph);
+                //
+                // // ...and force Wolverine to *also* execute the routing, which
+                // // may discover new endpoints
+                // foreach (var messageType in messageTypes.Where(x => x.Assembly != GetType().Assembly))
+                // {
+                //     _runtime.RoutingFor(messageType);
+                // }
             }
 
             var stores = await _runtime.Stores.FindAllAsync();