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Posted to jira@kafka.apache.org by GitBox <gi...@apache.org> on 2021/01/04 05:23:16 UTC

[GitHub] [kafka] abbccdda commented on a change in pull request #9792: KAFKA-10870: handle REBALANCE_IN_PROGRESS error in JoinGroup

abbccdda commented on a change in pull request #9792:
URL: https://github.com/apache/kafka/pull/9792#discussion_r551123017



##########
File path: clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java
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@@ -658,6 +658,10 @@ public void handle(JoinGroupResponse joinResponse, RequestFuture<ByteBuffer> fut
                     AbstractCoordinator.this.generation = new Generation(OffsetCommitRequest.DEFAULT_GENERATION_ID, memberId, null);
                 }
                 future.raise(error);
+            } else if (error == Errors.REBALANCE_IN_PROGRESS) {
+                log.info("JoinGroup failed with a REBALANCE_IN_PROGRESS error, which could indicate a replication timeout " +

Review comment:
       Could we mention in the log that the error is non-fatal, similar to MEMBER_ID_REQUIRED?




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