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https://issues.apache.org/jira/browse/KAFKA-8914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16934056#comment-16934056
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Igamr Palsenberg commented on KAFKA-8914:
-----------------------------------------
Ok.. I did some more digging, and the issue I'm having is actually
KAFKA-8715.
> Setting GROUP_INSTANCE_ID_CONFIG leads to a protobuf error
> ----------------------------------------------------------
>
> Key: KAFKA-8914
> URL: https://issues.apache.org/jira/browse/KAFKA-8914
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 2.3.0
> Reporter: Igamr Palsenberg
> Priority: Major
>
>
> Setting ConsumerConfig.GROUP_INSTANCE_ID_CONFIG (group.instance.id) to any
> value (I tried valid numbers and just some string values) will result in :
> org.apache.kafka.common.protocol.types.SchemaException: Error reading field
> 'version':
> java.nio.BufferUnderflowExceptiong.apache.kafka.common.protocol.types.SchemaException:
> Error reading field 'version': java.nio.BufferUnderflowException at
> org.apache.kafka.common.protocol.types.Schema.read(Schema.java:110) at
> org.apache.kafka.clients.consumer.internals.ConsumerProtocol.deserializeAssignment(ConsumerProtocol.java:106)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.onJoinComplete(ConsumerCoordinator.java:262)
> at
> org.apache.kafka.clients.consumer.internals.AbstractCoordinator.joinGroupIfNeeded(AbstractCoordinator.java:424)
> at
> org.apache.kafka.clients.consumer.internals.AbstractCoordinator.ensureActiveGroup(AbstractCoordinator.java:358)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerCoordinator.poll(ConsumerCoordinator.java:353)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.updateAssignmentMetadataIfNeeded(KafkaConsumer.java:1251)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1216)
> at
> org.apache.kafka.clients.consumer.KafkaConsumer.poll(KafkaConsumer.java:1201)
>
> Kafka broker :
> Kafka 2.3.0, installed using Brew. Default config, except the bind IP, that
> is set explicitly to localhost.
>
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