[ 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. -- This message was sent by Atlassian Jira (v8.3.4#803005)