David Jacot created KAFKA-16930:
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Summary: 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
Reporter: David Jacot
Assignee: David Jacot
{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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