NearSpans
---------

         Key: LUCENE-569
         URL: http://issues.apache.org/jira/browse/LUCENE-569
     Project: Lucene - Java
        Type: Bug

  Components: Search  
    Reporter: Hoss Man


NearSpans appears to have a bug in skipTo that causes it to skip over some 
matching documents completely.  I discovered this bug while investigating 
problems with SpanWeight.explain, but as far as I can tell the Bug is not 
specific to Explanations ... it seems like it could potentially result in 
incorrect matching in some situations where a SpanNearQuery is nested in 
another query such thatskipTo will be used ... I tried to create a high level 
test case to exploit the bug when searching, but i could not.  TestCase 
exploiting the class using NearSpan and SpanScorer will follow...

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