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https://issues.apache.org/jira/browse/KAFKA-2891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15028771#comment-15028771
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Rajini Sivaram commented on KAFKA-2891:
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[~benstopford] Thank you, it looks like the same problem as KAFKA-2827 in my
test logs too. Will rerun the tests when that is fixed.
> Gaps in messages delivered by new consumer after Kafka restart
> --------------------------------------------------------------
>
> Key: KAFKA-2891
> URL: https://issues.apache.org/jira/browse/KAFKA-2891
> Project: Kafka
> Issue Type: Bug
> Components: consumer
> Affects Versions: 0.9.0.0
> Reporter: Rajini Sivaram
> Priority: Critical
>
> Replication tests when run with the new consumer with SSL/SASL were failing
> very often because messages were not being consumed from some topics after a
> Kafka restart. The fix in KAFKA-2877 has made this a lot better. But I am
> still seeing some failures (less often now) because a small set of messages
> are not received after Kafka restart. This failure looks slightly different
> from the one before the fix for KAFKA-2877 was applied, hence the new defect.
> The test fails because not all acked messages are received by the consumer,
> and the number of messages missing are quite small.
> [~benstopford] Are the upgrade tests working reliably with KAFKA-2877 now?
> Not sure if any of these log entries are important:
> {quote}
> [2015-11-25 14:41:12,342] INFO SyncGroup for group test-consumer-group failed
> due to NOT_COORDINATOR_FOR_GROUP, will find new coordinator and rejoin
> (org.apache.kafka.clients.consumer.internals.AbstractCoordinator)
> [2015-11-25 14:41:12,342] INFO Marking the coordinator 2147483644 dead.
> (org.apache.kafka.clients.consumer.internals.AbstractCoordinator)
> [2015-11-25 14:41:12,958] INFO Attempt to join group test-consumer-group
> failed due to unknown member id, resetting and retrying.
> (org.apache.kafka.clients.consumer.internals.AbstractCoordinator)
> [2015-11-25 14:41:42,437] INFO Fetch offset null is out of range, resetting
> offset (org.apache.kafka.clients.consumer.internals.Fetcher)
> {quote}
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