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Posted to dev@kafka.apache.org by "John Roesler (Jira)" <ji...@apache.org> on 2019/11/26 16:03:00 UTC

[jira] [Created] (KAFKA-9231) ProducerFencedException may cause Streams Thread to die

John Roesler created KAFKA-9231:
-----------------------------------

             Summary: ProducerFencedException may cause Streams Thread to die
                 Key: KAFKA-9231
                 URL: https://issues.apache.org/jira/browse/KAFKA-9231
             Project: Kafka
          Issue Type: Bug
          Components: streams
    Affects Versions: 2.4.0
            Reporter: John Roesler
            Assignee: John Roesler


While testing Streams in EOS mode under frequent and heavy network partitions, I've encountered the following error, leading to thread death:

{noformat}
[2019-11-26 04:54:02,650] ERROR [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] Encountered the following unexpected Kafka exception during processing, this usually indicate Streams internal errors: (org.apache.kafka.streams.processor.internals.StreamThread)
org.apache.kafka.streams.errors.StreamsException: stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] Failed to rebalance.
	at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:852)
	at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:739)
	at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:698)
	at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:671)
Caused by: org.apache.kafka.streams.errors.StreamsException: stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] failed to suspend stream tasks
	at org.apache.kafka.streams.processor.internals.TaskManager.suspendActiveTasksAndState(TaskManager.java:253)
	at org.apache.kafka.streams.processor.internals.StreamsRebalanceListener.onPartitionsRevoked(StreamsRebalanceListener.java:116)
	at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.invokePartitionsRevoked(ConsumerCoordinator.java:291)
	at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onLeavePrepare(ConsumerCoordinator.java:707)
	at org.apache.kafka.clients.consumer.KafkaConsumer.unsubscribe(KafkaConsumer.java:1073)
	at org.apache.kafka.streams.processor.internals.StreamThread.enforceRebalance(StreamThread.java:716)
	at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:710)
	... 1 more
Caused by: org.apache.kafka.streams.errors.ProcessorStateException: task [1_1] Failed to flush state store KSTREAM-AGGREGATE-STATE-STORE-0000000007
	at org.apache.kafka.streams.processor.internals.ProcessorStateManager.flush(ProcessorStateManager.java:279)
	at org.apache.kafka.streams.processor.internals.AbstractTask.flushState(AbstractTask.java:175)
	at org.apache.kafka.streams.processor.internals.StreamTask.flushState(StreamTask.java:581)
	at org.apache.kafka.streams.processor.internals.StreamTask.commit(StreamTask.java:535)
	at org.apache.kafka.streams.processor.internals.StreamTask.suspend(StreamTask.java:660)
	at org.apache.kafka.streams.processor.internals.StreamTask.suspend(StreamTask.java:628)
	at org.apache.kafka.streams.processor.internals.AssignedStreamsTasks.suspendRunningTasks(AssignedStreamsTasks.java:145)
	at org.apache.kafka.streams.processor.internals.AssignedStreamsTasks.suspendOrCloseTasks(AssignedStreamsTasks.java:128)
	at org.apache.kafka.streams.processor.internals.TaskManager.suspendActiveTasksAndState(TaskManager.java:246)
	... 7 more
Caused by: org.apache.kafka.common.errors.ProducerFencedException: Producer attempted an operation with an old epoch. Either there is a newer producer with the same transactionalId, or the producer's transaction has been expired by the broker.
[2019-11-26 04:54:02,650] INFO [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] State transition from PARTITIONS_REVOKED to PENDING_SHUTDOWN (org.apache.kafka.streams.processor.internals.StreamThread)
[2019-11-26 04:54:02,650] INFO [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] Shutting down (org.apache.kafka.streams.processor.internals.StreamThread)
[2019-11-26 04:54:02,650] INFO [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] [Consumer clientId=stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2-restore-consumer, groupId=null] Unsubscribed all topics or patterns and assigned partitions (org.apache.kafka.clients.consumer.KafkaConsumer)
[2019-11-26 04:54:02,653] INFO [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] stream-thread [stream-soak-test-4290196e-d805-4acd-9f78-b459cc7e99ee-StreamThread-2] State transition from PENDING_SHUTDOWN to DEAD (org.apache.kafka.streams.processor.internals.StreamThread)
{noformat}

Elsewhere in the code, we catch ProducerFencedExceptions and trigger a rebalance instead of killing the thread. It seems like one possible avenue has slipped through the cracks.



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