John Roesler created KAFKA-9268:
-----------------------------------
Summary: Follow-on: Streams Threads may die from recoverable
errors with EOS enabled
Key: KAFKA-9268
URL: https://issues.apache.org/jira/browse/KAFKA-9268
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 2.4.0
Reporter: John Roesler
Assignee: John Roesler
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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