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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1253) LengthFilter and other TokenFilters that skip tokens ignore relative positionIncrement
Date Sun, 30 Jan 2011 18:11:43 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Uwe Schindler updated LUCENE-1253:
----------------------------------

    Attachment: LUCENE-1253-trunk.patch

Merged patch for trunk, Robert can you review, I am totally clumsy now?

> LengthFilter and other TokenFilters that skip tokens ignore relative positionIncrement
> --------------------------------------------------------------------------------------
>
>                 Key: LUCENE-1253
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1253
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/analyzers
>    Affects Versions: 2.3.1
>            Reporter: Walter Ferrara
>            Assignee: Uwe Schindler
>            Priority: Minor
>             Fix For: 3.1, 4.0
>
>         Attachments: LUCENE-1253-3x.patch, LUCENE-1253-3x.patch, LUCENE-1253-trunk.patch
>
>
> See for reference:
> http://www.nabble.com/WordDelimiterFilter%2BLenghtFilter-results-in-termPosition%3D%3D-1-td16306788.html
> and http://www.nabble.com/Lucene---Java-f24284.html
> It seems that LengthFilter (at least) could produce a stream in which the first Token
has a positionIncrement of 0, which make CheckIndex and Luke function "Reconstruct&Edit"
to generate exception.
> Should something be done to avoid this situation, or could the error be ignored (by allowing
Term with a position of -1, and relaxing CheckIndex checks?)

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