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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