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https://issues.apache.org/jira/browse/LUCENE-4790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir resolved LUCENE-4790.
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Resolution: Fixed
Fix Version/s: 5.0
4.2
> FieldCache.getDocTermOrds back to the future bug
> ------------------------------------------------
>
> Key: LUCENE-4790
> URL: https://issues.apache.org/jira/browse/LUCENE-4790
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 4.2, 5.0
>
> Attachments: LUCENE-4790.patch
>
>
> Found while working on LUCENE-4765:
> FieldCache.getDocTermOrds unsafely "bakes in" liveDocs into its structure.
> This means in cases if you have readers at two points in time (r1, r2), and
> you happen to call getDocTermOrds first on r2, then call it on r1, the
> results will be incorrect.
> Simple fix is to make DocTermOrds uninvert take liveDocs explicitly:
> FieldCacheImpl always passes null, Solr's UninvertedField just keeps doing
> what its doing today (since its a top-level reader, and cached somewhere
> else).
> Also DocTermOrds had a telescoping ctor that was uninverting twice.
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