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https://issues.apache.org/jira/browse/SOLR-5135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13791786#comment-13791786
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Igor Belakovskiy commented on SOLR-5135:
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Is there any sort of a workaround for pre 4.5 versions--is there any manual way
to clean up a partially deleted collection that is listed in zk under
/collections, but is not in clusterstate.json?
> Deleting a collection should be extra aggressive in the face of failures.
> -------------------------------------------------------------------------
>
> Key: SOLR-5135
> URL: https://issues.apache.org/jira/browse/SOLR-5135
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Reporter: Mark Miller
> Assignee: Mark Miller
> Fix For: 4.5, 5.0
>
> Attachments: SOLR-5135.patch
>
>
> Until Zk is the source of truth for the cluster, zk and local node states can
> get out of whack in certain situations - as a result, sometimes you cannot
> clean out all of the remnants of a collection to recreate it. For example, if
> the collection is listed in zk under /collections, but is not in
> clusterstate.json, you cannot remove or create the collection again due to a
> early exception in the collection removal chain.
> I think we should probably still return the error - but also delete as much
> as we can.
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