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From "Yonik Seeley (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3150) NPE when facetting using facet.prefix on an "empty" field
Date Tue, 21 Feb 2012 18:57:46 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212802#comment-13212802
] 

Yonik Seeley commented on SOLR-3150:
------------------------------------

Hmmm, this used to work.
A quick look suggests this was broken by LUCENE-3003
                
> NPE when facetting using facet.prefix on an "empty" field
> ---------------------------------------------------------
>
>                 Key: SOLR-3150
>                 URL: https://issues.apache.org/jira/browse/SOLR-3150
>             Project: Solr
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Pablo Queixalos
>             Fix For: 4.0
>
>
> FacetComponent works fine on empty fields but crashes if facet.prefix parameter is set.
> Looking at the code : getOrdTermsEnum(..) returns null if no value is found on the field
but _getCounts(...)_ does not checks if _TermsEnum te_ is null or not.
> {code:java|title=UnInvertedField.java (getCounts(..))}
>       TermsEnum te = getOrdTermsEnum(searcher.getAtomicReader());
>       if (prefix != null && prefix.length() > 0) {
>         final BytesRef prefixBr = new BytesRef(prefix);
> 232:    if (te.seekCeil(prefixBr, true) == TermsEnum.SeekStatus.END) {
>           startTerm = numTermsInField;
>         } else {
>           startTerm = (int) te.ord();
>         }
>         prefixBr.append(UnicodeUtil.BIG_TERM);
>         if (te.seekCeil(prefixBr, true) == TermsEnum.SeekStatus.END) {
>           endTerm = numTermsInField;
>         } else {
>           endTerm = (int) te.ord();
>         }
>       }
> {code}
> {code}
> java.lang.NullPointerException
> 	at org.apache.solr.request.UnInvertedField.getCounts(UnInvertedField.java:232)
> 	at org.apache.solr.request.SimpleFacets.getTermCounts(SimpleFacets.java:299)
> 	at org.apache.solr.request.SimpleFacets.getFacetFieldCounts(SimpleFacets.java:354)
> 	at org.apache.solr.request.SimpleFacets.getFacetCounts(SimpleFacets.java:207)
> 	at org.apache.solr.handler.component.FacetComponent.process(FacetComponent.java:81)
> {code}

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