kkonstantine commented on a change in pull request #8445:
URL: https://github.com/apache/kafka/pull/8445#discussion_r411125481
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File path:
clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java
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@@ -737,16 +751,21 @@ public void handle(SyncGroupResponse syncResponse,
log.debug("SyncGroup failed because the group began
another rebalance");
future.raise(error);
} else if (error == Errors.FENCED_INSTANCE_ID) {
- log.error("Received fatal exception: group.instance.id
gets fenced");
+ // for sync-group request, even if the generation has
changed we would not expect the instance id
+ // gets fenced, and hence we always treat this as a fatal
error
+ log.error("SyncGroup failed with {} due to
group.instance.id {} gets fenced",
+ sentGeneration, rebalanceConfig.groupInstanceId);
future.raise(error);
} else if (error == Errors.UNKNOWN_MEMBER_ID
|| error == Errors.ILLEGAL_GENERATION) {
- log.debug("SyncGroup failed: {}", error.message());
- resetGenerationOnResponseError(ApiKeys.SYNC_GROUP, error);
+ log.info("SyncGroup failed with {}: {}, would request
re-join", sentGeneration, error.message());
Review comment:
Not sure how this comment was changed, but this still doesn't read well
for me.
Still seems that the message should say `... will request re-join"`
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