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From "George Aroush (JIRA)" <>
Subject [jira] Closed: (LUCENENET-32) Check hashtable in PhraseQuery.ExtractTerms for existing keys
Date Sat, 10 Mar 2007 16:24:10 GMT


George Aroush closed LUCENENET-32.

    Resolution: Fixed

> Check hashtable in PhraseQuery.ExtractTerms for existing keys
> -------------------------------------------------------------
>                 Key: LUCENENET-32
>                 URL:
>             Project: Lucene.Net
>          Issue Type: Task
>            Reporter: IT-Servives Polenz
>         Assigned To: George Aroush
> It can happen by accident, that an search term exist twice in a query.
> If so, Lucene.Net fails with the exception, e.g. 
> Item has already been added. Key in dictionary: 'Text:money' Key being added: 'Text:money'
> StackTrace
> at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add)
> at System.Collections.Hashtable.Add(Object key, Object value)
> at Lucene.Net.Search.PhraseQuery.ExtractTerms(Hashtable queryTerms)
> at Lucene.Net.Search.BooleanQuery.ExtractTerms(Hashtable terms)
> at Lucene.Net.Highlight.QueryTermExtractor.GetTerms(Query query, Hashtable terms, Boolean
prohibited, String fieldName)
> at Lucene.Net.Highlight.QueryTermExtractor.GetTerms(Query query, Boolean prohibited,
String fieldName)
> at Lucene.Net.Highlight.QueryScorer..ctor(Query query)
> You should just adopt the method by adding a check whether the key already exists in
your inner hashtable.
> This is nothing a Lucene user could handle before sending the query into Lucene, simply
because it's unneccesary work to implement a check of the search phrase before.

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