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https://issues.apache.org/jira/browse/SOLR-8837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204489#comment-15204489
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Alan Woodward commented on SOLR-8837:
-------------------------------------
Thanks Scott, I'll commit this fix. Looks like the bug crept in with
SOLR-8697, so it hasn't actually been released.
> Duplicate leader elector node detection is broken
> -------------------------------------------------
>
> Key: SOLR-8837
> URL: https://issues.apache.org/jira/browse/SOLR-8837
> Project: Solr
> Issue Type: Bug
> Affects Versions: master, 6.0
> Reporter: Alan Woodward
> Attachments: SOLR-8837.patch
>
>
> LeaderElector.checkIfIAmLeader checks to see if it has duplicate
> registrations in under its election node, but it does this by prefix
> checking, which means that if core_node1 registers itself after core_node11,
> it will think it's a duplicate, and delete the core_node11 node.
> This is causing regular failures in UnloadDistributedZkTest.
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