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https://issues.apache.org/jira/browse/SOLR-9439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar reopened SOLR-9439:
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The root cause of these test failures is that the deleteshard API is not
resilient against non-existent cores. If it fails trying to delete a core which
is already deleted then it fails to remove the slice from the cluster state.
> Shard split clean up logic for older failed splits is faulty
> ------------------------------------------------------------
>
> Key: SOLR-9439
> URL: https://issues.apache.org/jira/browse/SOLR-9439
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 4.10.4, 5.5.2, 6.1
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: master (7.0), 6.3
>
> Attachments: Lucene-Solr-tests-master.8015.log.gz, SOLR-9439.patch,
> SOLR-9439.patch, SOLR-9439.patch
>
>
> In case a split finds that previous sub-shards exist in construction or
> recovery state. it tries to clean them up by invoking deleteshard API.
> However, the clean up logic tries to invoke deleteshard on the same
> sub-shards as many times as the requested number of sub-ranges. Such repeat
> calls to deleteshard fail and therefore fail the entire shard split operation.
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