[KAFKA-15887] Autocommit during close consistently fails with exception in background thread

• Type: Sub-task
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 3.7.0
• Component/s: clients, consumer
• Labels: consumer-threading-refactor
• Assignee: Philip Nee
• Reporter: Lucas Brutschy
• Created: 22/Nov/23 18:04
• Updated: 19/Feb/24 10:05
• Resolved: 29/Nov/23 10:17

Description

when I run AsyncKafkaConsumerTest I get this every time I call close:

java.lang.IndexOutOfBoundsException: Index: 0
	at java.base/java.util.Collections$EmptyList.get(Collections.java:4483)
	at java.base/java.util.Collections$UnmodifiableList.get(Collections.java:1310)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkThread.findCoordinatorSync(ConsumerNetworkThread.java:302)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkThread.ensureCoordinatorReady(ConsumerNetworkThread.java:288)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkThread.maybeAutoCommitAndLeaveGroup(ConsumerNetworkThread.java:276)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkThread.cleanup(ConsumerNetworkThread.java:257)
	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkThread.run(ConsumerNetworkThread.java:101)

Issue Links

• links to: GitHub Pull Request #14842