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Posted to dev@lucene.apache.org by "Uwe Schindler (JIRA)" <ji...@apache.org> on 2013/05/30 07:54:20 UTC
[jira] [Comment Edited] (LUCENE-5023) Only reader that contains
fields can be added into readerContext
[ https://issues.apache.org/jira/browse/LUCENE-5023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13670077#comment-13670077 ]
Uwe Schindler edited comment on LUCENE-5023 at 5/30/13 5:52 AM:
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This is not a bug in ReaderContext. If an atomic reader has no fields it is perfectly fine to return null (it is documented like that). The bug is somewhere else in Solr or your own code. It must be listed in the reader context, as it may contain documents.
was (Author: thetaphi):
This is not a bug in ReaderContext. If a composite reader has no fields it is perfectly fine to return null (it is documented like that). The bug is somewhere else in Solr or your own code. It must be listed in the reader context, as it may contain documents.
> Only reader that contains fields can be added into readerContext
> ----------------------------------------------------------------
>
> Key: LUCENE-5023
> URL: https://issues.apache.org/jira/browse/LUCENE-5023
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.2
> Reporter: Bao Yang Yang
> Assignee: Uwe Schindler
> Priority: Critical
> Labels: patch
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> When there is only Segements in solr core, which means no any indexes, in CompositeReaderContext.build() method, the atomicReader that has no fields returned should not be added into leaves. Otherwise, in SolrIndexSearcher.getDocSetNC(Query query, DocSet filter), when execute line fields.terms(t.field()), a nullpointerexception will occur since fields variable is null.
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