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https://issues.apache.org/jira/browse/KAFKA-16930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Jacot updated KAFKA-16930:
--------------------------------
Affects Version/s: 3.7.0
> UniformHeterogeneousAssignmentBuilder throws NPE when member has not
> subscriptions
> ----------------------------------------------------------------------------------
>
> Key: KAFKA-16930
> URL: https://issues.apache.org/jira/browse/KAFKA-16930
> Project: Kafka
> Issue Type: Sub-task
> Affects Versions: 3.7.0
> Reporter: David Jacot
> Assignee: David Jacot
> Priority: Blocker
>
> {code:java}
> java.lang.NullPointerException: Cannot invoke
> "org.apache.kafka.coordinator.group.assignor.MemberAssignment.targetPartitions()"
> because the return value of "java.util.Map.get(Object)" is null
> at
> org.apache.kafka.coordinator.group.assignor.GeneralUniformAssignmentBuilder.canMemberParticipateInReassignment(GeneralUniformAssignmentBuilder.java:248)
> at
> org.apache.kafka.coordinator.group.assignor.GeneralUniformAssignmentBuilder.balance(GeneralUniformAssignmentBuilder.java:336)
> at
> org.apache.kafka.coordinator.group.assignor.GeneralUniformAssignmentBuilder.buildAssignment(GeneralUniformAssignmentBuilder.java:157)
> at
> org.apache.kafka.coordinator.group.assignor.UniformAssignor.assign(UniformAssignor.java:84)
> at
> org.apache.kafka.coordinator.group.consumer.TargetAssignmentBuilder.build(TargetAssignmentBuilder.java:302)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.updateTargetAssignment(GroupMetadataManager.java:1913)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.consumerGroupHeartbeat(GroupMetadataManager.java:1518)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.consumerGroupHeartbeat(GroupMetadataManager.java:2254)
> at
> org.apache.kafka.coordinator.group.GroupCoordinatorShard.consumerGroupHeartbeat(GroupCoordinatorShard.java:308)
> at
> org.apache.kafka.coordinator.group.GroupCoordinatorService.lambda$consumerGroupHeartbeat$0(GroupCoordinatorService.java:298)
> at
> org.apache.kafka.coordinator.group.runtime.CoordinatorRuntime$CoordinatorWriteEvent.lambda$run$0(CoordinatorRuntime.java:769)
> at
> org.apache.kafka.coordinator.group.runtime.CoordinatorRuntime.withActiveContextOrThrow(CoordinatorRuntime.java:1582)
> at
> org.apache.kafka.coordinator.group.runtime.CoordinatorRuntime.access$1400(CoordinatorRuntime.java:96)
> at
> org.apache.kafka.coordinator.group.runtime.CoordinatorRuntime$CoordinatorWriteEvent.run(CoordinatorRuntime.java:767)
> at
> org.apache.kafka.coordinator.group.runtime.MultiThreadedEventProcessor$EventProcessorThread.handleEvents(MultiThreadedEventProcessor.java:144)
> at
> org.apache.kafka.coordinator.group.runtime.MultiThreadedEventProcessor$EventProcessorThread.run(MultiThreadedEventProcessor.java:176)
> {code}
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