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  1. Kafka
  2. KAFKA-2768

New-consumer sends invalid describeGroupResponse while restabilizing

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.9.0.0
    • Component/s: consumer
    • Labels:
      None

      Description

      While a consumer group is restabilizing, it sends describeGroupResponse with no error, but empty metadata and assignments. That leads to SchemaException on client.

      Error while executing consumer group command Error reading field 'version': java.nio.BufferUnderflowException
      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:73)
      	at org.apache.kafka.clients.consumer.internals.ConsumerProtocol.deserializeAssignment(ConsumerProtocol.java:106)
      	at kafka.admin.AdminClient$$anonfun$describeConsumerGroup$1.apply(AdminClient.scala:163)
      	at kafka.admin.AdminClient$$anonfun$describeConsumerGroup$1.apply(AdminClient.scala:161)
      	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
      	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
      	at scala.collection.immutable.List.foreach(List.scala:318)
      	at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
      	at scala.collection.AbstractTraversable.map(Traversable.scala:105)
      	at kafka.admin.AdminClient.describeConsumerGroup(AdminClient.scala:161)
      	at kafka.admin.ConsumerGroupCommand$.describe(ConsumerGroupCommand.scala:109)
      	at kafka.admin.ConsumerGroupCommand$.main(ConsumerGroupCommand.scala:63)
      	at kafka.admin.ConsumerGroupCommand.main(ConsumerGroupCommand.scala)
      

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            • Assignee:
              singhashish Ashish Singh
              Reporter:
              singhashish Ashish Singh
              Reviewer:
              Guozhang Wang
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              • Created:
                Updated:
                Resolved: