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Posted to jira@kafka.apache.org by "John Roesler (Jira)" <ji...@apache.org> on 2019/12/04 01:15:00 UTC
[jira] [Comment Edited] (KAFKA-9231) Streams Threads may die from
recoverable errors with EOS enabled
[ https://issues.apache.org/jira/browse/KAFKA-9231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16987395#comment-16987395 ]
John Roesler edited comment on KAFKA-9231 at 12/4/19 1:14 AM:
--------------------------------------------------------------
Fixed in 2.4 by https://github.com/apache/kafka/commit/d7fe494b2a983256092bcc50eac8eab8eb8a6163
And in trunk by https://github.com/apache/kafka/commit/18c13d38ed7090801f125088e3eaec7e3c85c09d
was (Author: vvcephei):
Fixed in 2.4 by https://github.com/apache/kafka/commit/d7fe494b2a983256092bcc50eac8eab8eb8a6163
> Streams Threads may die from recoverable errors with EOS enabled
> ----------------------------------------------------------------
>
> 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
> Priority: Blocker
> Fix For: 2.4.0
>
>
> 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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