[KAFKA-14929] Flaky KafkaStatusBackingStoreFormatTest#putTopicStateRetriableFailure

• Type: Test
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.5.0
• Component/s: connect
• Labels: flaky-test
• Assignee: Sagar Rao
• Reporter: Greg Harris
• Created: 21/Apr/23 21:25
• Updated: 27/Apr/23 15:12
• Resolved: 27/Apr/23 15:12

Description

This test recently started flaky-failing with the following stack trace:

org.mockito.exceptions.verification.TooFewActualInvocations: kafkaBasedLog.send(<any>, <any>, <any>);
Wanted 2 times:->
 at org.apache.kafka.connect.util.KafkaBasedLog.send(KafkaBasedLog.java:376)
But was 1 time:->
 at org.apache.kafka.connect.storage.KafkaStatusBackingStore.sendTopicStatus(KafkaStatusBackingStore.java:315)
	at app//org.apache.kafka.connect.util.KafkaBasedLog.send(KafkaBasedLog.java:376)
	at app//org.apache.kafka.connect.storage.KafkaStatusBackingStoreFormatTest.putTopicStateRetriableFailure(KafkaStatusBackingStoreFormatTest.java:219)
	at java.base@11.0.16.1/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base@11.0.16.1/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base@11.0.16.1/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base@11.0.16.1/java.lang.reflect.Method.invoke(Method.java:566)
...

Issue Links

• relates to: KAFKA-14902 KafkaBasedLog infinite retries can lead to StackOverflowError
• links to: GitHub Pull Request #13634