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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-819) NullPointerException in Term.compareTo()
Date Wed, 28 Feb 2007 18:24:56 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12476663
] 

Doug Cutting commented on LUCENE-819:
-------------------------------------

It would be best to check for null in the constructor rather than in the comparator.  If an
exception is unacceptable, might it be reasonable to change the constructor to interpret null
as the empty string?  Personally, I'd prefer the exception, but that might break applications.

> NullPointerException in Term.compareTo()
> ----------------------------------------
>
>                 Key: LUCENE-819
>                 URL: https://issues.apache.org/jira/browse/LUCENE-819
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Index
>         Environment: JDK 1.4 on MacOS
>            Reporter: Dan Zivkovic
>         Attachments: lucene-819.patch, lucene-819.patch, TestTerm.java
>
>
>  java.lang.NullPointerException
>  	at org.apache.lucene.index.Term.compareTo(Term.java:84)
>  	at org.apache.lucene.index.TermInfosReader.getIndexOffset(TermInfosReader.java:115)
>  	at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:150)
>  	at org.apache.lucene.index.SegmentReader.docFreq(SegmentReader.java:300)
>  	at org.apache.lucene.search.IndexSearcher.docFreq(IndexSearcher.java:78)
>  	at org.apache.lucene.search.Similarity.idf(Similarity.java:255)
>  	at org.apache.lucene.search.TermQuery$TermWeight.<init>(TermQuery.java:43)
>  	at org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:142)
>  	at org.apache.lucene.search.BooleanQuery$BooleanWeight.<init>(BooleanQuery.java:203)
>  	at org.apache.lucene.search.BooleanQuery$BooleanWeight2.<init>(BooleanQuery.java:330)
>  	at org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:372)
>  	at org.apache.lucene.search.Query.weight(Query.java:93)
>  	at org.apache.lucene.search.Hits.<init>(Hits.java:48)
>  	at org.apache.lucene.search.Searcher.search(Searcher.java:53)
>         ...

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