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Date: Sun, 12 Apr 2015 14:35:12 +0000 (UTC)
From: "Robert Muir (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12820396.1428849306000.66405.1428849312291@Atlassian.JIRA>
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 <JIRA.12820396.1428849306644@arcas>
Subject: [jira] [Created] (LUCENE-6418) NearSpans[Payload]Ordered sometimes
 returns -1 for nextStartPosition()
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Robert Muir created LUCENE-6418:
-----------------------------------

             Summary: NearSpans[Payload]Ordered sometimes returns -1 for nextStartPosition()
                 Key: LUCENE-6418
                 URL: https://issues.apache.org/jira/browse/LUCENE-6418
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Robert Muir


It happens in both impls, so I think the problem is in NearSpansPayloadOrdered. Maybe atFirstInCurrentDoc gets set without matchStart getting set?

Can be triggered more generally in tests like this:
{code}
  @Override
  public int nextStartPosition() throws IOException {
    if (atFirstInCurrentDoc) {
      atFirstInCurrentDoc = false;
      assert matchStart >= 0; // add this assert
      return matchStart;
    }
{code}


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