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https://issues.apache.org/jira/browse/LUCENE-4693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer resolved LUCENE-4693.
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Resolution: Fixed
> FixedBitset might return wrong results if words.length > actual words in the
> bitset
> -----------------------------------------------------------------------------------
>
> Key: LUCENE-4693
> URL: https://issues.apache.org/jira/browse/LUCENE-4693
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/other
> Affects Versions: 4.0, 4.1
> Reporter: Simon Willnauer
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4693.patch
>
>
> Currently we allow to pass in the actual words as a long[] to the FixedBitSet
> yet if this array is oversized with respect to the actual words it needs to
> hold the bits the FixedBitSet can return wrong results since we use
> words.length (bits.lenght) as the bounds when we iterate over the bits ie. if
> we need to find the next set bit. We should use the actual bound rather than
> the size of the array.
> as a site note, I think it would be interesting to explore passing an offset
> to this too to enable to create bitsets from slices....
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