[KAFKA-14900] Flaky test AuthorizerTest failing with NPE

• Type: Test
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.5.0
• Component/s: kraft
• Labels: flaky-test
• Assignee: Colin McCabe
• Reporter: Greg Harris
• Created: 12/Apr/23 20:17
• Updated: 20/Sep/23 04:17
• Resolved: 14/Apr/23 18:17

Description

The AuthorizerTest has multiple tests that appear to have the same flaky failure:

org.apache.kafka.server.fault.FaultHandlerException: quorumTestHarnessFaultHandler: Unhandled error initializing new publishers: Cannot invoke "kafka.raft.KafkaRaftManager.client()" because the return value of "kafka.server.SharedServer.raftManager()" is null
	at app//kafka.server.SharedServer.$anonfun$start$3(SharedServer.scala:256)
	at app//org.apache.kafka.image.loader.MetadataLoader.stillNeedToCatchUp(MetadataLoader.java:229)
	at app//org.apache.kafka.image.loader.MetadataLoader.initializeNewPublishers(MetadataLoader.java:270)
	at app//org.apache.kafka.image.loader.MetadataLoader.lambda$scheduleInitializeNewPublishers$0(MetadataLoader.java:258)
	at app//org.apache.kafka.queue.KafkaEventQueue$EventContext.run(KafkaEventQueue.java:127)
	at app//org.apache.kafka.queue.KafkaEventQueue$EventHandler.handleEvents(KafkaEventQueue.java:210)
	at app//org.apache.kafka.queue.KafkaEventQueue$EventHandler.run(KafkaEventQueue.java:181)
	at java.base@17.0.4.1/java.lang.Thread.run(Thread.java:833)
Caused by: java.lang.NullPointerException: Cannot invoke "kafka.raft.KafkaRaftManager.client()" because the return value of "kafka.server.SharedServer.raftManager()" is null
	... 8 more

Issue Links

• links to: GitHub Pull Request #13549