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https://issues.apache.org/jira/browse/LUCENE-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13893577#comment-13893577
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Michael McCandless commented on LUCENE-5436:
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Hmm, sneaky. So we are adding best-effort catching of this mis-use?
Instead of isClosed can we add protected getRefCount? That's just more
consistent with the current abstract methods we already have?
There's a small typo in the exception message (then -> the).
> RefrenceManager#accquire can result in infinite loop if manager resource is
> abused outside of the manager
> ---------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-5436
> URL: https://issues.apache.org/jira/browse/LUCENE-5436
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 4.6.1, 5.0, 4.7
> Reporter: Simon Willnauer
> Fix For: 5.0, 4.7
>
> Attachments: LUCENE-5436.patch
>
>
> I think I found a bug that can cause the ReferenceManager to stick in an
> infinite loop if the managed reference is decremented outside of the manager
> without a corresponding increment. I think this is pretty bad since the
> debugging of this is a mess and we should rather throw ISE instead.
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