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https://issues.apache.org/jira/browse/LUCENENET-86?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12522052
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Digy commented on LUCENENET-86:
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Hi George,
I downloaded the new patches, started with a "clean" lucene.net version and
again two test cases failed. After i applied the patch i sent, they passed.
Without the patch i get the following error.
System.InvalidCastException: Specified cast is not valid.
and StackTrace:
at Lucene.Net.Search.FieldDocSortedHitQueue.LessThan(Object a, Object b)
at Lucene.Net.Util.PriorityQueue.UpHeap()
at Lucene.Net.Util.PriorityQueue.Insert(Object element)
at Lucene.Net.Search.MultiSearcher.Search(Weight weight, Filter filter,
Int32 n, Sort sort)
at Lucene.Net.Search.Hits.GetMoreDocs(Int32 min)
at Lucene.Net.Search.Hits..ctor(Searcher s, Query q, Filter f, Sort o)
at Lucene.Net.Search.Searcher.Search(Query query, Sort sort)
at Lucene.Net.Search.TestSort.AssertMatchesPattern(Searcher searcher, Query
query, Sort sort, String pattern)
at Lucene.Net.Search.TestSort.RunMultiSorts(Searcher multi)
at Lucene.Net.Search.TestSort.TestMultiSort()
DIGY
> Nunit test for TestSort.
> ------------------------
>
> Key: LUCENENET-86
> URL: https://issues.apache.org/jira/browse/LUCENENET-86
> Project: Lucene.Net
> Issue Type: Bug
> Reporter: Digy
> Priority: Minor
> Attachments: FieldDocSortedHitQueue.patch
>
>
> There are two bugs in FieldDocSortedHitQueue.LessThan method
> 1- in "case SortField.FLOAT:"
> The value of docA.fields[i] or docB.fields[i] may be a string. In
> this case SupportClass.Single.Parse should be invoked.
> 2- No null control for docA.fields[i] or docB.fields[i].
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