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https://issues.apache.org/jira/browse/KAFKA-7263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16894700#comment-16894700
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Mattia Barbon commented on KAFKA-7263:
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[~mjsax] for me it is happening with an uniform consumer group; what I have is
a set of consumers that subscribe/unsubscribe from a consumer group depending
on available resources;
it works most of the time, but sometimes one of the consumers throws the error
above. The consumer group is using the default partition assignor.
> Container exception java.lang.IllegalStateException: Coordinator selected
> invalid assignment protocol: null
> -----------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-7263
> URL: https://issues.apache.org/jira/browse/KAFKA-7263
> Project: Kafka
> Issue Type: Bug
> Reporter: laomei
> Priority: Major
>
> We are using spring-kafka and we get an infinite loop error in
> ConsumerCoordinator.java;
> kafka cluster version: 1.0.0
> kafka-client version: 1.0.0
>
> 2018-08-08 15:24:46,120 ERROR
> [org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer]
> - Container exception
> java.lang.IllegalStateException: Coordinator selected invalid assignment
> protocol: null
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:217)
> at
> org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:367)
> at
> org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:316)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:295)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.pollOnce(KafkaConsumer.java:1138)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1103)
> at
> org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer.run(KafkaMessageListenerContainer.java:556)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:745)
> 2018-08-08 15:24:46,132 INFO
> [org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer]
> - Consumer stopped
> 2018-08-08 15:24:46,230 INFO
> [org.springframework.kafka.listener.KafkaMessageListenerContainer$ListenerConsumer]
> - Consumer stopped
> 2018-08-08 15:24:46,234 INFO [org.springfram
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