Its a bug: its already fixed for 4.3 (coming soon):
https://issues.apache.org/jira/browse/LUCENE-4888
On Fri, Apr 19, 2013 at 1:09 PM, Ravikumar Govindarajan <
ravikumar.govindara...@gmail.com> wrote:
> When writing a custom codec, I encountered an issue in SloppyPhraseScorer.
> I am using lucene-4.2 GA.
>
> public int nextDoc()
> {
> return advance(max.doc)
> }
>
> This in-turn calls my DocsAndPositionEnum.advance(int target).
>
> Intially this seems to call with advance(-1). It's kind of unsettling to
> see an instruction from lucene API to advance past a negative docId. Also,
> sometimes I receive the advance call to the same doc, twice.
>
> Should it be advance(max.doc+1) or something? Has someone faced this issue
> before?
>
> --Ravi
>
