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https://issues.apache.org/jira/browse/KAFKA-6977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Matthias J. Sax resolved KAFKA-6977.
------------------------------------
Resolution: Abandoned
> Kafka Streams - java.lang.IllegalStateException: Unexpected error code 2
> while fetching data
> ---------------------------------------------------------------------------------------------
>
> Key: KAFKA-6977
> URL: https://issues.apache.org/jira/browse/KAFKA-6977
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 0.11.0.1
> Reporter: Eugen Feller
> Priority: Blocker
> Labels: streams
>
> We are running Kafka Streams 0.11.0.1 with Kafka Broker 0.10.2.1 and
> constantly run into the following exception:
> {code:java}
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> partition assignment took 40 ms.
> current active tasks: [0_0, 0_1, 0_3, 0_4, 0_5, 0_10, 0_12, 0_13, 0_14, 0_15,
> 0_17, 0_20, 0_21, 0_23, 0_25, 0_28, 0_2, 0_6, 0_7, 0_8, 0_9, 0_11, 0_16,
> 0_18, 0_19, 0_22, 0_24, 0_26, 0_27, 0_29, 0_30, 0_31]
> current standby tasks: []
> previous active tasks: [0_0, 0_1, 0_3, 0_4, 0_5, 0_10, 0_12, 0_13, 0_14,
> 0_15, 0_17, 0_20, 0_21, 0_23, 0_25, 0_28]
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> State transition from PARTITIONS_ASSIGNED to RUNNING.
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> INFO org.apache.kafka.streams.KafkaStreams - stream-client
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e] State
> transition from REBALANCING to RUNNING.
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> ERROR org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-838cf286-be42-4a49-b3ab-3a291617233e-StreamThread-1]
> Encountered the following error during processing:
> at
> org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:480)
> at
> org.apache.kafka.clients.consumer.internals.Fetcher.parseCompletedFetch(Fetcher.java:886)
> at
> org.apache.kafka.clients.consumer.internals.Fetcher.fetchedRecords(Fetcher.java:525)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1086)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:536)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:490)
> java.lang.IllegalStateException: Unexpected error code 2 while fetching data
> at
> org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:457)
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> Shutting down
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> State transition from RUNNING to PENDING_SHUTDOWN.
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.clients.producer.KafkaProducer - Closing the Kafka
> producer with timeoutMillis = 9223372036854775807 ms.
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> Stream thread shutdown complete
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.streams.processor.internals.StreamThread -
> stream-thread
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> State transition from PENDING_SHUTDOWN to DEAD.
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> INFO org.apache.kafka.streams.KafkaStreams - stream-client
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4] State
> transition from RUNNING to ERROR.
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> WARN org.apache.kafka.streams.KafkaStreams - stream-client
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4] All stream
> threads have died. The Kafka Streams instance will be in an error state and
> should be closed.
> 6062195
> [visitstats-mongowriter-3727734b-3c2f-4775-87d2-838d72ca3bf4-StreamThread-1]
> FATAL com.zenreach.data.flows.visitstatsmongoexporter.MongoVisitStatsWriter$
> - Exiting main on uncaught exception
> java.lang.IllegalStateException: Unexpected error code 2 while fetching data
> at
> org.apache.kafka.clients.consumer.internals.Fetcher.parseCompletedFetch(Fetcher.java:886)
> at
> org.apache.kafka.clients.consumer.internals.Fetcher.fetchedRecords(Fetcher.java:525)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1086)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:536)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:490)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:480)
> at
> org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:457)
> {code}
> Looks like the error is thrown here
> [https://github.com/apache/kafka/blob/0.11.0.1/clients/src/main/java/org/apache/kafka/clients/consumer/internals/Fetcher.java#L886]
> Before giving that exception, our Kafka streams job keeps rebalancing and
> rebalancing. This is a simple job that reads data of Kafka (log compacted
> topic) and writes it back to MongoDB. It reads from a topic of 32 partitions
> and runs on AWS ECS with 32 instances (each with one stream thread). Any idea
> what could be going wrong?
> Thanks a lot.
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