Hello,

I running tests against kafka-streams 1.1 and get the following stack trace (everything was working alright using kafka-streams 1.0):

ERROR org.apache.kafka.streams.processor.internals.AssignedStreamsTasks - stream-thread [feedBuilder-XXX-StreamThread-4] Failed to close stream task, 0_2 org.apache.kafka.common.KafkaException: TransactionalId feedBuilder-0_2: Invalid transition attempted from state READY to state ABORTING_TRANSACTION at org.apache.kafka.clients.producer.internals.TransactionManager.transitionTo(TransactionManager.java:757) at org.apache.kafka.clients.producer.internals.TransactionManager.transitionTo(TransactionManager.java:751) at org.apache.kafka.clients.producer.internals.TransactionManager.beginAbort(TransactionManager.java:230) at org.apache.kafka.clients.producer.KafkaProducer.abortTransaction(KafkaProducer.java:660) at org.apache.kafka.streams.processor.internals.StreamTask.closeSuspended(StreamTask.java:486) at org.apache.kafka.streams.processor.internals.StreamTask.close(StreamTask.java:546) at org.apache.kafka.streams.processor.internals.AssignedTasks.closeNonRunningTasks(AssignedTasks.java:166) at org.apache.kafka.streams.processor.internals.AssignedTasks.suspend(AssignedTasks.java:151) at org.apache.kafka.streams.processor.internals.TaskManager.suspendTasksAndState(TaskManager.java:242) at org.apache.kafka.streams.processor.internals.StreamThread$RebalanceListener.onPartitionsRevoked(StreamThread.java:291) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinPrepare(ConsumerCoordinator.java:414) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:359) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:316) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:290) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1149) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1115) at org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:827) at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:784) at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:750) at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:720)


This happens when starting the same stream-processing application on 3 JVMs all running on the same linux box, JVMs are named JVM-[2-4]. All 3 instances use separate stream state.dir. No record is ever processed because the input kafka topics are empty at this stage.

JVM-2 starts first, joined shortly after by JVM-4 and JVM-3, find the state transition logs below. The above stacktrace is from JVM-4

[JVM-2] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-3] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING
JVM-4 crashes here with above stacktrace
[JVM-2] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from REBALANCING to ERROR [JVM-4] stream-client [feedBuilder-XXX] State transition from ERROR to PENDING_SHUTDOWN [JVM-4] stream-client [feedBuilder-XXX] State transition from PENDING_SHUTDOWN to NOT_RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-3] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-2] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-3] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-3] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-2] stream-client [feedBuilder-XXX] State transition from RUNNING to PENDING_SHUTDOWN [JVM-3] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-4] stream-client [feedBuilder-XXX] State transition from RUNNING to REBALANCING [JVM-2] stream-client [feedBuilder-XXX] State transition from PENDING_SHUTDOWN to NOT_RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-3] stream-client [feedBuilder-XXX] State transition from REBALANCING to RUNNING [JVM-3] stream-client [feedBuilder-XXX] State transition from RUNNING to PENDING_SHUTDOWN [JVM-4] stream-client [feedBuilder-XXX] State transition from RUNNING to PENDING_SHUTDOWN [JVM-3] stream-client [feedBuilder-XXX] State transition from PENDING_SHUTDOWN to NOT_RUNNING [JVM-4] stream-client [feedBuilder-XXX] State transition from PENDING_SHUTDOWN to NOT_RUNNING


What should I do with that?

Thanks, Fred

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