[KAFKA-5073] Kafka Streams stuck rebalancing after exception thrown in rebalance listener

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.11.0.0
• Fix Version/s: 0.11.0.0
• Component/s: streams
• Assignee: Matthias J. Sax
• Reporter: Xavier Léauté
• Created: 14/Apr/17 17:23
• Updated: 20/Apr/17 21:35
• Resolved: 20/Apr/17 21:35

Description

An exception thrown in the Steams rebalance listener will cause the Kafka consumer coordinator to log an error, but the streams app will not bubble the exception up to the uncaught exception handler.

This will leave the app stuck in rebalancing state if for instance an exception is thrown by the consumer during state restore.

Here is an example log that shows the error when the consumer throws a CRC error during state restore.

[2017-04-13 14:46:41,409] ERROR [XXX-StreamThread-1] User provided listener org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener for group XXXXXXX failed on partition assignment (org.apache.kafka.clients.consumer.internals.ConsumerCoordinator:269)
org.apache.kafka.common.KafkaException: Record batch for partition _my_topic-0 at offset 42 is invalid, cause: Record is corrupt (stored crc = 1982353474, computed crc = 1572524932)
        at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.maybeEnsureValid(Fetcher.java:904)
        at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.nextFetchedRecord(Fetcher.java:936)
        at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.fetchRecords(Fetcher.java:960)
        at org.apache.kafka.clients.consumer.internals.Fetcher$PartitionRecords.access$1200(Fetcher.java:864)
        at org.apache.kafka.clients.consumer.internals.Fetcher.fetchRecords(Fetcher.java:517)
        at org.apache.kafka.clients.consumer.internals.Fetcher.fetchedRecords(Fetcher.java:482)
        at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1069)
        at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1002)
        at org.apache.kafka.streams.processor.internals.StoreChangelogReader.restore(StoreChangelogReader.java:145)
        at org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener.onPartitionsAssigned(StreamThread.java:1329)
        at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:265)
        at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:363)
        at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:310)
        at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:296)
        at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1037)
        at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1002)
        at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:546)
        at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:702)
        at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:326)

Issue Links

• links to: GitHub Pull Request #2856