Update TelemetryDispatchMessageInspector.cs

#229: Check if reply is not null
open-telemetry · Mar 13, 2022 · d931c47 · d931c47
1 parent 281e753
commit d931c47
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/OpenTelemetry.Contrib.Instrumentation.Wcf/TelemetryDispatchMessageInspector.cs b/src/OpenTelemetry.Contrib.Instrumentation.Wcf/TelemetryDispatchMessageInspector.cs
@@ -131,7 +131,7 @@ public void BeforeSendReply(ref Message reply, object correlationState)
         {
             if (correlationState is Activity activity)
             {
-                if (activity.IsAllDataRequested)
+                if (activity.IsAllDataRequested && reply != null)
                 {
                     if (reply.IsFault)
                     {