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Posted to java-user@lucene.apache.org by Moshe Immerman <mo...@egis-software.com> on 2013/06/27 13:00:35 UTC

Duplicate documents

Hi  

We have recently upgraded from Lucene 3.6 to 4.3.1 and have encountered a sometimes intermittent issue of IndexSearcher.search returning duplicate documents (based on lucene doc no, not a custom field)

i.e.  

TopDocs docs = IndexSearcher.search(query, filter, 100000, sort)
assert docs.scoreDocs[0].doc == docs.scoreDocs[1].doc

Is their a reason that duplicates are returned or a better way of searching so that they are not?


Moshe