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https://issues.apache.org/jira/browse/LUCENE-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13098313#comment-13098313
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Njal Karevoll commented on LUCENE-3417:
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The above patch is trivial to backport for 3.3/3.4.
It is similar to LUCENE-3038, but is not duplicated by LUCENE-3022, which deals
with issues surrounding the interpretation of onlyLongestMatch.
> DictionaryCompoundWordTokenFilter does not properly add tokens from the end
> compound word.
> ------------------------------------------------------------------------------------------
>
> Key: LUCENE-3417
> URL: https://issues.apache.org/jira/browse/LUCENE-3417
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/analysis
> Affects Versions: 3.3, 4.0
> Reporter: Njal Karevoll
> Attachments: LUCENE-3417.patch
>
> Original Estimate: 5m
> Remaining Estimate: 5m
>
> Due to an off-by-one error, a subword placed at the end of a compound word
> will not get a token added to the token stream.
> Example:
> Dictionary: {"ab", "cd", "ef"}
> word: "abcdef"
> Created tokens: {"abcdef", "ab", "cd"}
> Expected tokens: {"abcdef", "ab", "cd", "ef"}
> Additionally, it could produce tokens that were shorter than the
> minSubwordSize due to another off-by-one error.
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