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https://issues.apache.org/jira/browse/KAFKA-6868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson updated KAFKA-6868:
-----------------------------------
Priority: Blocker (was: Major)
> BufferUnderflowException in client when querying consumer group information
> ---------------------------------------------------------------------------
>
> Key: KAFKA-6868
> URL: https://issues.apache.org/jira/browse/KAFKA-6868
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Xavier Léauté
> Priority: Blocker
>
> Exceptions get thrown when describing consumer group or querying group
> offsets from a 1.0 cluster
> Stacktrace is a result of calling
> {{AdminClient.describeConsumerGroups(Collection<String>
> groupIds).describedGroups().entrySet()}} followed by
> {{KafkaFuture<ConsumerGroupDescription>.whenComplete()}}
> {code}
> java.util.concurrent.ExecutionException:
> org.apache.kafka.common.protocol.types.SchemaException: Error reading field
> 'version': java.nio.BufferUnderflowException
> at
> org.apache.kafka.common.internals.KafkaFutureImpl.wrapAndThrow(KafkaFutureImpl.java:45)
> at
> org.apache.kafka.common.internals.KafkaFutureImpl.access$000(KafkaFutureImpl.java:32)
> at
> org.apache.kafka.common.internals.KafkaFutureImpl$SingleWaiter.await(KafkaFutureImpl.java:104)
> at
> org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:274)
> at
> [snip]
> Caused by: org.apache.kafka.common.protocol.types.SchemaException: Error
> reading field 'version': java.nio.BufferUnderflowException
> at org.apache.kafka.common.protocol.types.Schema.read(Schema.java:76)
> at
> org.apache.kafka.clients.consumer.internals.ConsumerProtocol.deserializeAssignment(ConsumerProtocol.java:105)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient$21$1.handleResponse(KafkaAdminClient.java:2307)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.handleResponses(KafkaAdminClient.java:960)
> at
> org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1045)
> ... 1 more
> {code}
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