fix grpc set metadata multi-value

open-telemetry · May 8, 2024 · 91ff56b · 91ff56b
1 parent 32df5ae
commit 91ff56b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/...-1.6/library/src/main/java/io/opentelemetry/instrumentation/grpc/v1_6/MetadataSetter.java b/...-1.6/library/src/main/java/io/opentelemetry/instrumentation/grpc/v1_6/MetadataSetter.java
@@ -13,6 +13,7 @@ enum MetadataSetter implements TextMapSetter<Metadata> {
 
   @Override
   public void set(Metadata carrier, String key, String value) {
+    carrier.removeAll(Metadata.Key.of(key, Metadata.ASCII_STRING_MARSHALLER));
     carrier.put(Metadata.Key.of(key, Metadata.ASCII_STRING_MARSHALLER), value);
   }
 }