Render raw values in grouping as base64.

1 files changed, 2 insertions, 1 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/grouping/result/RawBucketId.java b/container-search/src/main/java/com/yahoo/search/grouping/result/RawBucketId.java
index 9576f548f4a..cab1b1928c4 100644
--- a/container-search/src/main/java/com/yahoo/search/grouping/result/RawBucketId.java
+++ b/container-search/src/main/java/com/yahoo/search/grouping/result/RawBucketId.java
@@ -2,6 +2,7 @@
 package com.yahoo.search.grouping.result;
 
 import java.util.Arrays;
+import java.util.Base64;
 
 /**
  * This class is used in {@link Group} instances where the identifying
@@ -18,6 +19,6 @@ public class RawBucketId extends BucketGroupId<byte[]> {
      * @param to   The identifying exclusive-to raw buffer.
      */
     public RawBucketId(byte[] from, byte[] to) {
-        super("raw_bucket", from, Arrays.toString(from), to, Arrays.toString(to));
+        super("raw_bucket", from, Base64.getEncoder().encodeToString(from), to, Base64.getEncoder().encodeToString(to));
     }
 }