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https://issues.apache.org/jira/browse/KAFKA-19198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Schofield resolved KAFKA-19198.
--------------------------------------
Fix Version/s: 4.1.0
Resolution: Fixed
> Deletion of topic assigned to a share group can result in NPE
> -------------------------------------------------------------
>
> Key: KAFKA-19198
> URL: https://issues.apache.org/jira/browse/KAFKA-19198
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Andrew Schofield
> Assignee: Andrew Schofield
> Priority: Major
> Fix For: 4.1.0
>
>
> The problem is that the metadata image may not permit the retrieval of the
> topic name by topic ID, and that results in an NPE.
> java.util.concurrent.CompletionException: java.lang.NullPointerException:
> Cannot invoke "org.apache.kafka.image.TopicImage.name()" because the return
> value of
> "org.apache.kafka.image.TopicsImage.getTopic(org.apache.kafka.common.Uuid)"
> is null
> java.util.concurrent.CompletionException: java.lang.NullPointerException:
> Cannot invoke "org.apache.kafka.image.TopicImage.name()" because the return
> value of
> "org.apache.kafka.image.TopicsImage.getTopic(org.apache.kafka.common.Uuid)"
> is null
> at
> java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)
> at
> java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)
> at
> java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1141)
> at
> java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
> at
> java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2194)
> at
> org.apache.kafka.coordinator.common.runtime.CoordinatorRuntime$CoordinatorWriteEvent.complete(CoordinatorRuntime.java:1439)
> at
> org.apache.kafka.coordinator.common.runtime.CoordinatorRuntime$CoordinatorWriteEvent.run(CoordinatorRuntime.java:1415)
> at
> org.apache.kafka.coordinator.common.runtime.MultiThreadedEventProcessor$EventProcessorThread.handleEvents(MultiThreadedEventProcessor.java:147)
> at
> org.apache.kafka.coordinator.common.runtime.MultiThreadedEventProcessor$EventProcessorThread.run(MultiThreadedEventProcessor.java:179)
> Caused by: java.lang.NullPointerException: Cannot invoke
> "org.apache.kafka.image.TopicImage.name()" because the return value of
> "org.apache.kafka.image.TopicsImage.getTopic(org.apache.kafka.common.Uuid)"
> is null
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.attachTopicName(GroupMetadataManager.java:5088)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.addInitializingTopicsRecords(GroupMetadataManager.java:3002)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.maybeCreateInitializeShareGroupStateRequest(GroupMetadataManager.java:2956)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.shareGroupHeartbeat(GroupMetadataManager.java:2871)
> at
> org.apache.kafka.coordinator.group.GroupMetadataManager.shareGroupHeartbeat(GroupMetadataManager.java:4938)
> at
> org.apache.kafka.coordinator.group.GroupCoordinatorShard.shareGroupHeartbeat(GroupCoordinatorShard.java:494)
> at
> org.apache.kafka.coordinator.group.GroupCoordinatorService.lambda$shareGroupHeartbeat$6(GroupCoordinatorService.java:453)
> at
> org.apache.kafka.coordinator.common.runtime.CoordinatorRuntime$CoordinatorWriteEvent.lambda$run$0(CoordinatorRuntime.java:1392)
> at
> org.apache.kafka.coordinator.common.runtime.CoordinatorRuntime.withActiveContextOrThrow(CoordinatorRuntime.java:2151)
> at
> org.apache.kafka.coordinator.common.runtime.CoordinatorRuntime$CoordinatorWriteEvent.run(CoordinatorRuntime.java:1390)
> ... 2 more
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