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https://issues.apache.org/jira/browse/SOLR-9433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907789#comment-15907789
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Ishan Chattopadhyaya commented on SOLR-9433:
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Moving to 6.5, since 6.4 has already been released.
> SolrCore clean-up logic uses incorrect path to delete dataDir on failure to
> create a core
> -----------------------------------------------------------------------------------------
>
> Key: SOLR-9433
> URL: https://issues.apache.org/jira/browse/SOLR-9433
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 5.5.2
> Reporter: Evan Sayer
> Assignee: Shalin Shekhar Mangar
> Fix For: 6.5, master (7.0)
>
> Attachments: SOLR-9433.patch
>
>
> When a core fails to be created for some reason (errant schema or solrconfig
> etc.), {{SolrCore.deleteUnloadedCore()}} is called from {{unload()}} in
> CoreContainer in order to clean-up the possibly left-over {{dataDir}} and
> {{instanceDir}}. The problem is that the CoreDescriptor passed to
> {{SolrCore.deleteUnloadedCore()}} will have its value for {{dataDir}} set to
> just "data/" unless an explicit {{dataDir}} was specified by the user in the
> request to create the core, leading to an attempt to delete simply
> {{"data/"}}, which presumably resolves to a non-existent directory under
> Solr's home directory or some such.
> https://github.com/apache/lucene-solr/blob/branch_5_5/solr/core/src/java/org/apache/solr/core/CoreContainer.java#L974
> https://github.com/apache/lucene-solr/blob/branch_5_5/solr/core/src/java/org/apache/solr/core/SolrCore.java#L2537
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