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From "Robert Muir (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LUCENE-3619) in trunk if you switch up omitNorms while indexing, you get a corrumpt norms file
Date Mon, 05 Dec 2011 14:23:40 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir resolved LUCENE-3619.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 4.0
    
> in trunk if you switch up omitNorms while indexing, you get a corrumpt norms file
> ---------------------------------------------------------------------------------
>
>                 Key: LUCENE-3619
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3619
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-3619.patch
>
>
> document 1 has 
>   body: norms=true
>   title: norms=true
> document 2 has 
>   body: norms=false
>   title: norms=true
> when seeing 'body' for the first time, normswriterperfield gets 'initial fieldinfo' and

> saves it away, which says norms=true
> however, at flush time we dont check, so we write the norms happily anyway.
> then SegmentReader reads the norms later: it skips "body" since it omits norms
> and if you ask for the norms of 'title' it instead returns the bogus "body" norms.
> asserting that SegmentReader "plans to" read the whole .nrm file exposes the bug.

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