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https://issues.apache.org/jira/browse/LUCENE-8165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500444#comment-16500444
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Nhat Nguyen commented on LUCENE-8165:
-------------------------------------
[~rcmuir] and [~simonw]
I've submitted a new patch which removes Arrays#copyOf. This patch is on top of
the #copyOfRange patch.
I considered introducing `ArrayUtils#growExact(array, newLength)` and
`ArrayUtils#subArray(array, from, to)`. Method `ArrayUtils#growExact` will grow
an array to the exact given length instead of an over-allocated length like `
ArrayUtils#grow`. I think our code will be more clear and less error-prone with
these helper methods. I am open to suggestions.
Please have a look when you have time. Thank you!
> ban Arrays.copyOfRange with forbidden APIs
> ------------------------------------------
>
> Key: LUCENE-8165
> URL: https://issues.apache.org/jira/browse/LUCENE-8165
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Priority: Major
> Attachments: LUCENE-8165_copy_of.patch,
> LUCENE-8165_copy_of_range.patch, LUCENE-8165_start.patch,
> LUCENE-8165_start.patch
>
>
> This method is no good, because instead of throwing AIOOBE for bad bounds, it
> will silently fill with zeros (essentially silent corruption). Unfortunately
> it is used in quite a few places so replacing it with e.g. arrayCopy may
> uncover some interesting surprises.
> See LUCENE-8164 for motivation.
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