Since internals here are not thread safe we need to guard it here to.

1 files changed, 1 insertions, 1 deletions

diff --git a/vespaclient-core/src/main/java/com/yahoo/feedhandler/FeedResponse.java b/vespaclient-core/src/main/java/com/yahoo/feedhandler/FeedResponse.java
index c08703c5061..4bf1267201a 100755
--- a/vespaclient-core/src/main/java/com/yahoo/feedhandler/FeedResponse.java
+++ b/vespaclient-core/src/main/java/com/yahoo/feedhandler/FeedResponse.java
@@ -101,7 +101,7 @@ public final class FeedResponse extends HttpResponse implements SharedSender.Res
         return "";
     }
 
-    public boolean handleReply(Reply reply) {
+    public synchronized boolean handleReply(Reply reply) {
         metrics.addReply(reply);
         if (reply.getTrace().getLevel() > 0) {
             String str = reply.getTrace().toString();