majialoong commented on code in PR #21014:
URL: https://github.com/apache/kafka/pull/21014#discussion_r2572948022
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group-coordinator/src/main/java/org/apache/kafka/coordinator/group/GroupCoordinatorService.java:
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@@ -345,7 +345,7 @@ public GroupCoordinatorService build() {
* The metadata image to extract topic id to names map.
* This is initialised when the {@link
GroupCoordinator#onNewMetadataImage(CoordinatorMetadataImage,
CoordinatorMetadataDelta)} is called
*/
- private CoordinatorMetadataImage metadataImage = null;
+ private volatile CoordinatorMetadataImage metadataImage = null;
Review Comment:
Open https://github.com/apache/kafka/pull/21021 for this.
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