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From "Christian Mallwitz (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-763) LuceneDictionary skips first word in enumeration
Date Wed, 30 May 2007 07:33:15 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12500051
] 

Christian Mallwitz commented on LUCENE-763:
-------------------------------------------

I have added a fixed LuceneDictionary.java and a unit test case for it which should go to

   contrib/spellchecker/src/java/org/apache/lucene/search/spell/LuceneDictionary.java
and
   contrib/spellchecker/src/test/org/apache/lucene/search/spell/TestLuceneDictionary.java
respectively.

This is on top of the current lucene-trunk.

Cheers
Christian


> LuceneDictionary skips first word in enumeration
> ------------------------------------------------
>
>                 Key: LUCENE-763
>                 URL: https://issues.apache.org/jira/browse/LUCENE-763
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Other
>    Affects Versions: 2.0.0
>         Environment: Windows Sun JRE 1.4.2_10_b03
>            Reporter: Dan Ertman
>         Attachments: LuceneDictionary.java, TestLuceneDictionary.java
>
>
> The current code for LuceneDictionary will always skip the first word of the TermEnum.
The reason is that it doesn't initially retrieve TermEnum.term - its first call is to TermEnum.next,
which moves it past the first term (line 76).
> To see this problem cause a failure, add this test to TestSpellChecker:
> similar = spellChecker.suggestSimilar("eihgt",2);
>       assertEquals(1, similar.length);
>       assertEquals(similar[0], "eight");
> Because "eight" is the first word in the index, it will fail.

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