#2849 ApplyEventException can leak event data to logs

src/CoreTests/Exceptions/ApplyEventExceptionTests.cs

@@ -0,0 +1,26 @@
+using Marten.Events;
+using Marten.Exceptions;
+using Shouldly;
+using Xunit;
+
+namespace CoreTests.Exceptions;
+
+public class ApplyEventExceptionTests
+{
+    public class FakeEventThatContainsSecretInformation
+    {
+        public string Secret { get; set; }
+    }
+
+    [Fact]
+    public void should_only_include_sequence_and_id_no_data()
+    {
+        var @event = new Event<FakeEventThatContainsSecretInformation>(new()
+        {
+            Secret = "very secret!!!"
+        });
+        var exception = new ApplyEventException(@event, new("inner"));
+
+        exception.Message.ShouldBe($"Failure to apply event #{@event.Sequence} Id({@event.Id})");
+    }
+}

src/Marten/Exceptions/ApplyEventException.cs

@@ -6,7 +6,7 @@ namespace Marten.Exceptions;
 public class ApplyEventException: MartenException
 {
     public ApplyEventException(IEvent @event, Exception innerException): base(
-        $"Failure to apply event #{@event.Sequence} ({@event.Data}.)", innerException)
+        $"Failure to apply event #{@event.Sequence} Id({@event.Id})", innerException)
     {
         Event = @event;
     }