changelog

src/OpenTelemetry.Instrumentation.AspNetCore/CHANGELOG.md

@@ -18,6 +18,14 @@
   `http` or `http/dup`.
   ([#5001](https://github.com/open-telemetry/opentelemetry-dotnet/pull/5001))
 
+* An additional attribute `error.type` will be added to activity and
+`http.server.request.duration` metric when the request results in unhandled
+exception. The attribute value will be set to full name of exception type.
+
+The attribute will only be added when `OTEL_SEMCONV_STABILITY_OPT_IN`
+environment variable is set to `http` or `http/dup`.
+([#4986](https://github.com/open-telemetry/opentelemetry-dotnet/pull/4986))
+
 ## 1.6.0-beta.2
 
 Released 2023-Oct-26

src/OpenTelemetry.Instrumentation.AspNetCore/Implementation/HttpInMetricsListener.cs

@@ -106,7 +106,7 @@ public void OnExceptionEventWritten(string name, object payload)
         // We need to use reflection here as the payload type is not a defined public type.
         if (!TryFetchException(payload, out Exception exc) || !TryFetchHttpContext(payload, out HttpContext ctx))
         {
-            AspNetCoreInstrumentationEventSource.Log.NullPayload(nameof(HttpInListener), nameof(this.OnExceptionEventWritten), activity.OperationName);
+            AspNetCoreInstrumentationEventSource.Log.NullPayload(nameof(HttpInListener), nameof(this.OnExceptionEventWritten), HttpServerDurationMetricName);
             return;
         }
 
@@ -180,7 +180,6 @@ public void OnEventWritten_Old(string name, object payload)
 
     public void OnEventWritten_New(string name, object payload)
     {
-        var activity = Activity.Current;
         var context = payload as HttpContext;
         if (context == null)
         {