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https://issues.apache.org/jira/browse/KAFKA-12318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justine Olshan resolved KAFKA-12318.
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Resolution: Fixed
> system tests need to fetch Topic IDs via Admin Client instead of via ZooKeeper
> ------------------------------------------------------------------------------
>
> Key: KAFKA-12318
> URL: https://issues.apache.org/jira/browse/KAFKA-12318
> Project: Kafka
> Issue Type: Task
> Components: system tests
> Affects Versions: 3.0.0, 2.8.0
> Reporter: Ron Dagostino
> Assignee: Justine Olshan
> Priority: Major
>
> https://github.com/apache/kafka/commit/86b9fdef2b9e6ef3429313afbaa18487d6e2906e#diff-2b222ad67f56a2876410aba3eeecd78e8b26217192dde72a035c399dc4d3988bR1033-R1052
> introduced a topic_id() function in the system tests. This function is
> currently coded to talk directly to ZooKeeper. This will be a problem when
> running a Raft-based metadata quorum -- ZooKeeper won't be available. This
> method needs to be rewritten to leverage the Admin Client.
> This does not have to be fixed in 2.8 -- the method is only used in
> upgrade/downgrade-related system tests, and those system tests aren't being
> performed for Raft-based metadata quorums in the release (Raft-based metadata
> quorums will only be alpha/preview functionality at that point with
> upgrades/downgrades unsupported). But it probably will have to be fixed for
> the next release after that.
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