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https://issues.apache.org/jira/browse/KAFKA-10274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17161560#comment-17161560
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John Roesler commented on KAFKA-10274:
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FWIW, I cherry-picked both of these fixes on top of 2.5:
[https://github.com/apache/kafka/compare/2.5...vvcephei:2.5-fix-transactional-test?expand=1]
And the test passes for me locally.
I'm running the whole transactions_test x5 to be sure:
https://jenkins.confluent.io/job/system-test-kafka-branch-builder/4056/console
> Transaction system test uses inconsistent timeouts
> --------------------------------------------------
>
> Key: KAFKA-10274
> URL: https://issues.apache.org/jira/browse/KAFKA-10274
> Project: Kafka
> Issue Type: Bug
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Priority: Major
>
> We've seen some failures in the transaction system test with errors like the
> following:
> {code}
> copier-1 : Message copier didn't make enough progress in 30s. Current
> progress: 0
> {code}
> Looking at the consumer logs, we see the following messages repeating over
> and over:
> {code}
> [2020-07-14 06:50:21,466] DEBUG [Consumer
> clientId=consumer-transactions-test-consumer-group-1,
> groupId=transactions-test-consumer-group] Fetching committed offsets for
> partitions: [input-topic-1]
> (org.apache.kafka.clients.consumer.internals.ConsumerCoordinator)
> [2020-07-14 06:50:21,468] DEBUG [Consumer
> clientId=consumer-transactions-test-consumer-group-1,
> groupId=transactions-test-consumer-group] Failed to fetch offset for
> partition input-topic-1: There are unstable offsets that need to be cleared.
> (org.apache.kafka.clients.consumer.internals.ConsumerCoordinator)
> {code}
> I think the problem is that the test implicitly depends on the transaction
> timeout which has been configured to 40s even though it expects progress
> after 30s.
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