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https://issues.apache.org/jira/browse/KAFKA-9512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17032054#comment-17032054
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Vinoth Chandar commented on KAFKA-9512:
---------------------------------------
Repro-ed with some tips from guozhang.. Appears as though the fetch of the
endoffsets fails to the broker, leaving us with an empty map.. (the test has no
retries now) ..
Looking at the fix
> Flaky Test LagFetchIntegrationTest.shouldFetchLagsDuringRestoration
> -------------------------------------------------------------------
>
> Key: KAFKA-9512
> URL: https://issues.apache.org/jira/browse/KAFKA-9512
> Project: Kafka
> Issue Type: Bug
> Components: streams, unit tests
> Affects Versions: 2.5.0
> Reporter: Matthias J. Sax
> Assignee: Vinoth Chandar
> Priority: Critical
> Labels: flaky-test
> Fix For: 2.5.0
>
>
> [https://builds.apache.org/job/kafka-pr-jdk8-scala2.12/497/testReport/junit/org.apache.kafka.streams.integration/LagFetchIntegrationTest/shouldFetchLagsDuringRestoration/]
> {quote}java.lang.NullPointerException at
> org.apache.kafka.streams.integration.LagFetchIntegrationTest.shouldFetchLagsDuringRestoration(LagFetchIntegrationTest.java:306){quote}
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