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https://issues.apache.org/jira/browse/KAFKA-4349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15609777#comment-15609777
]
Jason Gustafson commented on KAFKA-4349:
----------------------------------------
Good catch. I think this was also causing a streams failure:
{code}
org.apache.kafka.streams.integration.ResetIntegrationTest >
testReprocessingFromScratchAfterReset FAILED
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:74)
at
org.apache.kafka.clients.consumer.internals.ConsumerProtocol.deserializeAssignment(ConsumerProtocol.java:106)
at kafka.admin.AdminClient$$anonfun$1.apply(AdminClient.scala:148)
at kafka.admin.AdminClient$$anonfun$1.apply(AdminClient.scala:147)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
at scala.collection.AbstractTraversable.map(Traversable.scala:105)
at kafka.admin.AdminClient.describeConsumerGroup(AdminClient.scala:147)
at
org.apache.kafka.streams.integration.ResetIntegrationTest$WaitUntilConsumerGroupGotClosed.conditionMet(ResetIntegrationTest.java:305)
at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:270)
at
org.apache.kafka.streams.integration.ResetIntegrationTest.testReprocessingFromScratchAfterReset(ResetIntegrationTest.java:135)
{code}
> Consumer group describe exception when group state is PreparingRebalance
> ------------------------------------------------------------------------
>
> Key: KAFKA-4349
> URL: https://issues.apache.org/jira/browse/KAFKA-4349
> Project: Kafka
> Issue Type: Bug
> Reporter: Vahid Hashemian
> Assignee: Vahid Hashemian
>
> When the group state is {{PreparingRebalance}} the consumer group describe
> raises the following exception:
> {code}
> Error: Executing consumer group command failed due to Error reading field
> 'version': java.nio.BufferUnderflowException
> org.apache.kafka.common.protocol.types.Schema.read(Schema.java:73)
> org.apache.kafka.clients.consumer.internals.ConsumerProtocol.deserializeAssignment(ConsumerProtocol.java:106)
> kafka.admin.AdminClient$$anonfun$1.apply(AdminClient.scala:155)
> kafka.admin.AdminClient$$anonfun$1.apply(AdminClient.scala:154)
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> scala.collection.Iterator$class.foreach(Iterator.scala:727)
> scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
> scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
> scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> scala.collection.AbstractTraversable.map(Traversable.scala:105)
> kafka.admin.AdminClient.describeConsumerGroup(AdminClient.scala:154)
> kafka.admin.ConsumerGroupCommand$KafkaConsumerGroupService.collectGroupAssignment(ConsumerGroupCommand.scala:391)
> kafka.admin.ConsumerGroupCommand$ConsumerGroupService$class.describeGroup(ConsumerGroupCommand.scala:139)
> kafka.admin.ConsumerGroupCommand$KafkaConsumerGroupService.describeGroup(ConsumerGroupCommand.scala:379)
> kafka.admin.ConsumerGroupCommand$.main(ConsumerGroupCommand.scala:70)
> kafka.admin.ConsumerGroupCommand.main(ConsumerGroupCommand.scala)
> {code}
> The exception is a side-effect of the fix for KAFKA-3144 that misses handling
> this edge case.
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