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https://issues.apache.org/jira/browse/SOLR-9117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15337020#comment-15337020
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ASF subversion and git services commented on SOLR-9117:
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Commit 1df6d4f078de33ac3f49dd33b09d3ae8c90f5137 in lucene-solr's branch
refs/heads/branch_5x from [~shalinmangar]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=1df6d4f ]
SOLR-9117: The first SolrCore is leaked after reload
(cherry picked from commit d1202a8)
> Leaking the first SolrCore after reload
> ---------------------------------------
>
> Key: SOLR-9117
> URL: https://issues.apache.org/jira/browse/SOLR-9117
> Project: Solr
> Issue Type: Bug
> Reporter: Jessica Cheng Mallet
> Assignee: Shalin Shekhar Mangar
> Labels: core, leak
> Fix For: 5.6, 6.0.1, 6.1, 5.5.2, master (7.0)
>
> Attachments: SOLR-9117.patch
>
>
> When a SolrCore for a particular index is created for the first time, it's
> added to the SolrCores#createdCores map. However, this map doesn't get
> updated when this core is reloaded, leading to the first SolrCore being
> leaked.
> Taking a look at how createdCores is used, it seems like it doesn't serve any
> purpose (its only read is in SolrCores#getAllCoreNames, which includes
> entries from SolrCores.cores anyway), so I'm proposing a patch to remove the
> createdCores map completely. However, if someone else knows that createdCores
> exist for a reason, I'll be happy to change the fix to updating the
> createdCores map when reload is called.
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