Can someone please help me with this error, this happening after upgrade from 0.8.2 to 0.10.2.1. It seem an issue with my consumers but I cannot determine what is happening.
INFO Kafka commitId : e89bffd6b2eff799 (org.apache.kafka.common.utils.AppInfoParser) [2017-06-07 12:24:45,497] INFO [mirrormaker-thread-0] Starting mirror maker thread mirrormaker-thread-0 (kafka.tools.MirrorMaker$MirrorMakerThread) [2017-06-07 12:24:45,497] INFO [mirrormaker-thread-1] Starting mirror maker thread mirrormaker-thread-1 (kafka.tools.MirrorMaker$MirrorMakerThread) [2017-06-07 12:24:48,619] INFO Discovered coordinator app458.sjc2.mytest.com:9092 (id: 2147483613 rack: null) for group MirrorMaker_hkg1. (org.apache.kafka.clients.consumer.internals.AbstractCoordinator) [2017-06-07 12:24:48,620] INFO Discovered coordinator app458.sjc2.mytest.com:9092 (id: 2147483613 rack: null) for group MirrorMaker_hkg1. (org.apache.kafka.clients.consumer.internals.AbstractCoordinator) [2017-06-07 12:24:48,625] INFO Revoking previously assigned partitions [] for group MirrorMaker_hkg1 (org.apache.kafka.clients.consumer.internals.ConsumerCoordinator) [2017-06-07 12:24:48,625] INFO Revoking previously assigned partitions [] for group MirrorMaker_hkg1 (org.apache.kafka.clients.consumer.internals.ConsumerCoordinator) [2017-06-07 12:24:48,648] INFO (Re-)joining group MirrorMaker_hkg1 (org.apache.kafka.clients.consumer.internals.AbstractCoordinator) [2017-06-07 12:24:48,649] INFO (Re-)joining group MirrorMaker_hkg1 (org.apache.kafka.clients.consumer.internals.AbstractCoordinator) [2017-06-07 12:24:53,560] FATAL [mirrormaker-thread-1] Mirror maker thread failure due to (kafka.tools.MirrorMaker$MirrorMakerThread) org.apache.kafka.common.KafkaException: Unexpected error from SyncGroup: The server experienced an unexpected error when processing the request at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:548) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$SyncGroupResponseHandler.handle(AbstractCoordinator.java:521) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:784) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator$CoordinatorResponseHandler.onSuccess(AbstractCoordinator.java:765) at org.apache.kafka.clients.consumer.internals.RequestFuture$1.onSuccess(RequestFuture.java:186) at org.apache.kafka.clients.consumer.internals.RequestFuture.fireSuccess(RequestFuture.java:149) at org.apache.kafka.clients.consumer.internals.RequestFuture.complete(RequestFuture.java:116) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient$RequestFutureCompletionHandler.fireCompletion(ConsumerNetworkClient.java:493) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.firePendingCompletedRequests(ConsumerNetworkClient.java:322) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:253) at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:172) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:347) at org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:303) at org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:290) at org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1029) at org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:995) at kafka.tools.MirrorMaker$MirrorMakerNewConsumer.receive(MirrorMaker.scala:625) at kafka.tools.MirrorMaker$MirrorMakerThread.run(MirrorMaker.scala:431)
