[ https://issues.apache.org/jira/browse/KAFKA-8891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guozhang Wang resolved KAFKA-8891. ---------------------------------- Fix Version/s: 2.4.0 Resolution: Fixed > invalid assignment protocol java.lang.IllegalStateException: Coordinator > selected invalid assignment protocol: null > ------------------------------------------------------------------------------------------------------------------- > > Key: KAFKA-8891 > URL: https://issues.apache.org/jira/browse/KAFKA-8891 > Project: Kafka > Issue Type: Bug > Reporter: SAIRAM KODURU > Priority: Major > Fix For: 2.4.0 > > > we are using 0.11.0.2 kafka client in our application. > we have observed the *below mentioned error* and got flooded with logs in > *crores*. > java.lang.IllegalStateException: Coordinator selected invalid assignment > protocol: null > at > org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:218) > at > org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:367) > at > org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:316) > at > org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:297) > at > org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1078) > at > org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1043) > > But we are not able to reproduce the issue ? > we would like to know ,what are the possibilities of this error ? > How to handle this exception? -- This message was sent by Atlassian Jira (v8.3.4#803005)