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https://issues.apache.org/jira/browse/KAFKA-16209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17812139#comment-17812139
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Arpit Goyal commented on KAFKA-16209:
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[~showuon] I am picking it up.
> fetchSnapshot might return null if topic is created before v2.8
> ---------------------------------------------------------------
>
> Key: KAFKA-16209
> URL: https://issues.apache.org/jira/browse/KAFKA-16209
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 3.6.1
> Reporter: Luke Chen
> Assignee: Arpit Goyal
> Priority: Major
> Labels: newbie, newbie++
>
> Remote log manager will fetch snapshot via ProducerStateManager
> [here|https://github.com/apache/kafka/blob/trunk/storage/src/main/java/org/apache/kafka/storage/internals/log/ProducerStateManager.java#L608],
> but the snapshot map might get nothing if the topic has no snapshot created,
> ex: topics before v2.8. Need to fix it to avoid NPE.
> old PR: https://github.com/apache/kafka/pull/14615/
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