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From "Walter Ferrara (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1253) LengthFilter may generate a TokenStream where first token has positionIncrement==0
Date Sun, 30 Mar 2008 18:58:24 GMT
LengthFilter may generate a TokenStream where first token has positionIncrement==0
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                 Key: LUCENE-1253
                 URL: https://issues.apache.org/jira/browse/LUCENE-1253
             Project: Lucene - Java
          Issue Type: Bug
          Components: Analysis
    Affects Versions: 2.3.1
            Reporter: Walter Ferrara
            Priority: Minor


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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