fix header extraction

DataDog · Dec 19, 2024 · 39141a9 · 39141a9
1 parent cfe24af
commit 39141a9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/utils/build/docker/dotnet/parametric/Endpoints/ApmTestApi.cs b/utils/build/docker/dotnet/parametric/Endpoints/ApmTestApi.cs
@@ -188,7 +188,7 @@ private static async Task<string> ExtractHeaders(HttpRequest request)
                                  .GroupBy(kvp => kvp[0].ToString(), kvp => kvp[1].ToString())
                                  .ToDictionary(g => g.Key, g => g.ToList());
 
-        var extractedContext = SpanContextExtractor.Extract(headers, (dict, key) => dict[key]);
+        var extractedContext = SpanContextExtractor.Extract(headers, (dict, key) => dict.GetValueOrDefault(key) ?? []);
 
         if (extractedContext is not null)
         {