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https://issues.apache.org/jira/browse/KAFKA-2056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14493471#comment-14493471
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Guozhang Wang commented on KAFKA-2056:
--------------------------------------
Hey [~lvfangmin], I agree that the problem may come from the cases where some
consumers does not get any partitions assigned. However as for the solution, I
think probably a more general fix would be that the PartitionAssignor.assign()
should return a kv pair in the pool for those consumers also with the value
Map.empty. What do you think?
> PartitionAssignorTest.testRangePartitionAssignor transient failure
> ------------------------------------------------------------------
>
> Key: KAFKA-2056
> URL: https://issues.apache.org/jira/browse/KAFKA-2056
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Guozhang Wang
> Assignee: Fangmin Lv
> Labels: newbie
> Attachments: KAFKA-2056.patch
>
>
> {code}
> unit.kafka.consumer.PartitionAssignorTest > testRangePartitionAssignor FAILED
> java.lang.NullPointerException
> at
> unit.kafka.consumer.PartitionAssignorTest$$anonfun$unit$kafka$consumer$PartitionAssignorTest$$assignAndVerify$1.apply(PartitionAssignorTest.scala:173)
> at
> unit.kafka.consumer.PartitionAssignorTest$$anonfun$unit$kafka$consumer$PartitionAssignorTest$$assignAndVerify$1.apply(PartitionAssignorTest.scala:172)
> at scala.collection.immutable.List.foreach(List.scala:318)
> at
> unit.kafka.consumer.PartitionAssignorTest$.unit$kafka$consumer$PartitionAssignorTest$$assignAndVerify(PartitionAssignorTest.scala:172)
> at
> unit.kafka.consumer.PartitionAssignorTest$$anonfun$testRangePartitionAssignor$1.apply$mcVI$sp(PartitionAssignorTest.scala:79)
> at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:141)
> at
> unit.kafka.consumer.PartitionAssignorTest.testRangePartitionAssignor(PartitionAssignorTest.scala:60)
> {code}
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