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https://issues.apache.org/jira/browse/SOLR-9834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Miller resolved SOLR-9834.
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Resolution: Fixed
Fix Version/s: 6.4
master (7.0)
> A variety of spots in the code can create a collection zk node after the
> collection has been removed.
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-9834
> URL: https://issues.apache.org/jira/browse/SOLR-9834
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Mark Miller
> Assignee: Mark Miller
> Fix For: master (7.0), 6.4
>
> Attachments: SOLR-9834.patch, SOLR-9834.patch
>
>
> The results of this have annoyed me for some time. We should fail rather than
> create the collection node and only ensure the rest of the path exists if the
> collection node did not need to be created.
> Currently, leader elections can trigger on delete and recreate a collection
> zk node that was just removed. I think there was a bit of defense put in
> against that, but I still see it and this is more thorough as well as a step
> towards the ZK=Truth path.
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