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https://issues.apache.org/jira/browse/LUCENENET-32?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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George Aroush reopened LUCENENET-32:
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> Check hashtable in PhraseQuery.ExtractTerms for existing keys
> -------------------------------------------------------------
>
> Key: LUCENENET-32
> URL: https://issues.apache.org/jira/browse/LUCENENET-32
> 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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