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https://issues.apache.org/jira/browse/LUCENE-1631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless reopened LUCENE-1631:
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> CLONE -You cannot sort on fields that don't exist
> -------------------------------------------------
>
> Key: LUCENE-1631
> URL: https://issues.apache.org/jira/browse/LUCENE-1631
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.4.1
> Environment: Operating System: other
> Platform: Other
> Reporter: steve neo
> Assignee: Yonik Seeley
> Fix For: 1.9
>
>
> I still get this error in 2.4.1 - if field does not exist in index, there is
> nullPointException if it search over multiple index. In following test code,
> there is runtime error, here is part of test code.
> indexSingleFieldDocs(new Field[]{new Field("ds", "xyz",
> Field.Store.YES, Field.Index.NOT_ANALYZED)
> , new Field("dsc", "hello",
> Field.Store.NO, Field.Index.ANALYZED)});
> indexSingleFieldDocs(new Field[]{new Field("ds", "def",
> Field.Store.YES, Field.Index.NOT_ANALYZED)
> , new Field("dsc", "hello",
> Field.Store.NO, Field.Index.ANALYZED)});
> ...
> QueryParser p = new QueryParser("dsc", new StandardAnalyzer());
> Query q = p.parse("hello");
> Hits hits = searcher.search(q,new Sort("ds"));
> If change "ds" to some others, got this exception:
> java.lang.RuntimeException: field "ds" does not appear to be indexed
> at
> org.apache.lucene.search.ExtendedFieldCacheImpl$5.createValue(ExtendedFieldCacheImpl.java:173)
> at
> org.apache.lucene.search.FieldCacheImpl$Cache.get(FieldCacheImpl.java:71)
> at
> org.apache.lucene.search.ExtendedFieldCacheImpl.getAuto(ExtendedFieldCacheImpl.java:127)
> at
> org.apache.lucene.search.FieldSortedHitQueue.comparatorAuto(FieldSortedHitQueue.java:487)
> at
> org.apache.lucene.search.FieldSortedHitQueue$1.createValue(FieldSortedHitQueue.java:184)
> at
> org.apache.lucene.search.FieldCacheImpl$Cache.get(FieldCacheImpl.java:71)
> at
> org.apache.lucene.search.FieldSortedHitQueue.getCachedComparator(FieldSortedHitQueue.java:167)
> at
> org.apache.lucene.search.FieldSortedHitQueue.<init>(FieldSortedHitQueue.java:55)
> at
> org.apache.lucene.search.TopFieldDocCollector.<init>(TopFieldDocCollector.java:43)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:121)
> at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:113)
> at org.apache.lucene.search.Hits.<init>(Hits.java:90)
> at org.apache.lucene.search.Searcher.search(Searcher.java:61)
> at com.edgenius.test.lucene.TestLucene.testSort(TestLucene.java:207)
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