[jira] [Created] (KAFKA-6868) BufferUnderflowException in client when querying consumer group information

[JIRA]

Xavier Léauté created KAFKA-6868:
------------------------------------

             Summary: 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


Exceptions get thrown when describing consumer group or querying group offsets.

{code}
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)
        at java.lang.Thread.run(Thread.java:748)
{code}

{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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