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https://issues.apache.org/jira/browse/KAFKA-9512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031778#comment-17031778
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Vinoth Chandar edited comment on KAFKA-9512 at 2/7/20 2:00 AM:
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IIUC [~mjsax] saw this couple times and since this one is on 2.12, its probably 
not the same as what you are facing.. 

 

But can you confirm this understanding for me? It will help me formulate a fix 
here 

> For a standby changelog partition, during restoration, the StandbyTask would 
>already be created? Or is that created in parallel while the the restoration 
>goes on..?


was (Author: vc):
IIUC [~mjsax] saw this couple times and since this one is on 2.12, its probably 
not the same as what you are facing.. 

 

But can you confirm this understanding for me? It will help me formulate a fix 
here 

> For a standby changelog partition, during restoration, the StandbyTask would 
>already be created? Or is that created in parallel while the the restoration 
>goes on..?

 

 

> 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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