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Posted to dev@lucene.apache.org by "Simon Willnauer (Commented) (JIRA)" <ji...@apache.org> on 2011/11/15 09:59:53 UTC

[jira] [Commented] (LUCENE-3575) Field names can be wrong for stored fields / term vectors after merging

    [ https://issues.apache.org/jira/browse/LUCENE-3575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150315#comment-13150315 ] 

Simon Willnauer commented on LUCENE-3575:
-----------------------------------------

bq. Patch w/ test & fix... I'll commit shortly.
ugh! nice catch mike!!
                
> Field names can be wrong for stored fields / term vectors after merging
> -----------------------------------------------------------------------
>
>                 Key: LUCENE-3575
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3575
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>             Fix For: 4.0
>
>         Attachments: LUCENE-3575.patch
>
>
> The good news is this bug only exists in trunk... the bad news is it's
> been here for some time (created by accident in LUCENE-2881).  But the
> good news is it should strike fairly rarely.
> SegmentMerger sometimes incorrectly thinks it can bulk-copy TVs/stored
> fields when it cannot (because field numbers don't map to the same
> names across segments).
> I think it happens only with addIndexes, or indexes that have
> pre-trunk segments, and then SM falsely thinks it can bulk-merge only
> when the last field number has the same field name across segments.

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