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https://issues.apache.org/jira/browse/SOLR-647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622586#action_12622586
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Yonik Seeley commented on SOLR-647:
-----------------------------------
bq. he close could use a decrementAndGet() but the current code ensures the
count will never go < 0.
I don't think we should cover this error case up since it could lead to
premature closure in other cases.
I think we should do a simple decrementAndGet() followed by a logged error if
the current count is less than zero.
> Do SolrCore.close() in a refcounted way
> ---------------------------------------
>
> Key: SOLR-647
> URL: https://issues.apache.org/jira/browse/SOLR-647
> Project: Solr
> Issue Type: Bug
> Affects Versions: 1.3
> Reporter: Noble Paul
> Assignee: Grant Ingersoll
> Fix For: 1.3
>
> Attachments: refcount_example.patch, solr-647.patch, solr-647.patch,
> solr-647.patch, solr-647.patch, solr-647.patch, solr-647.patch,
> solr-647.patch, SOLR-647.patch, SOLR-647.patch
>
>
> The method _SolrCore.close()_ directly closes the core . It can cause
> Exceptions for in-flight requests. The _close()_ method should just do a
> decrement on refcount and the actual close must happen when the last request
> being processed by that core instance is completed
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