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ASF GitHub Bot commented on KAFKA-2768: --------------------------------------- GitHub user SinghAsDev opened a pull request: https://github.com/apache/kafka/pull/447 KAFKA-2768: New-consumer sends invalid describeGroupResponse while re… …stabilizing You can merge this pull request into a Git repository by running: $ git pull https://github.com/SinghAsDev/kafka KAFKA-2768 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/447.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #447 ---- commit 547f1b2f1c46cc4c09bbd334bcc9e1db7fc7cbd8 Author: Ashish Singh <asi...@cloudera.com> Date: 2015-11-06T22:34:38Z KAFKA-2768: New-consumer sends invalid describeGroupResponse while restabilizing ---- > New-consumer sends invalid describeGroupResponse while restabilizing > -------------------------------------------------------------------- > > Key: KAFKA-2768 > URL: https://issues.apache.org/jira/browse/KAFKA-2768 > Project: Kafka > Issue Type: Bug > Components: consumer > Reporter: Ashish K Singh > Assignee: Ashish K Singh > > While a consumer group is restabilizing, it sends describeGroupResponse with > no error, but empty metadata and assignments. That leads to SchemaException > on client. > {code} > 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) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)