Fix opentracing header name issue

open-telemetry · Sep 20, 2023 · a66f8c3 · a66f8c3
1 parent 9b081e1
commit a66f8c3
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/...agators/src/main/java/io/opentelemetry/extension/trace/propagation/OtTracePropagator.java b/...agators/src/main/java/io/opentelemetry/extension/trace/propagation/OtTracePropagator.java
@@ -20,6 +20,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Locale;
 import javax.annotation.Nullable;
 import javax.annotation.concurrent.Immutable;
 
@@ -108,14 +109,16 @@ public <C> Context extract(Context context, @Nullable C carrier, TextMapGetter<C
     if (carrier != null) {
       BaggageBuilder baggageBuilder = Baggage.builder();
       for (String key : getter.keys(carrier)) {
-        if (!key.startsWith(PREFIX_BAGGAGE_HEADER)) {
+        String lowercaseKey = key.toLowerCase(Locale.ROOT);
+        if (!lowercaseKey.startsWith(PREFIX_BAGGAGE_HEADER)) {
           continue;
         }
         String value = getter.get(carrier, key);
         if (value == null) {
           continue;
         }
-        baggageBuilder.put(key.replace(OtTracePropagator.PREFIX_BAGGAGE_HEADER, ""), value);
+        String baggageKey = lowercaseKey.replace(OtTracePropagator.PREFIX_BAGGAGE_HEADER, "");
+        baggageBuilder.put(baggageKey, value);
       }
       Baggage baggage = baggageBuilder.build();
       if (!baggage.isEmpty()) {