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https://issues.apache.org/jira/browse/LUCENE-6308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375496#comment-14375496
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Robert Muir commented on LUCENE-6308:
-------------------------------------
By the way, at least i think this exercise may have found a bug. Now that new
span logic is used everywhere, I hit some test failures in lucene/queryparser
that look like this:
{noformat}
[junit4] Suite: org.apache.lucene.queryparser.surround.query.Test03Distance
[junit4] 2> NOTE: reproduce with: ant test -Dtestcase=Test03Distance
-Dtests.method=test3Example01 -Dtests.seed=87854C52BC77D8E3 -Dtests.locale=mt
-Dtests.timezone=PRC -Dtests.asserts=true -Dtests.file.encoding=UTF-8
[junit4] ERROR 0.09s J2 | Test03Distance.test3Example01 <<<
[junit4] > Throwable #1: java.lang.NullPointerException
[junit4] > at
__randomizedtesting.SeedInfo.seed([87854C52BC77D8E3:7DCE4F0323A56FA5]:0)
[junit4] > at
org.apache.lucene.search.spans.NearSpansUnordered.startPosition(NearSpansUnordered.java:213)
[junit4] > at
org.apache.lucene.search.spans.SpanOrQuery$SpanQueue.lessThan(SpanOrQuery.java:155)
[junit4] > at
org.apache.lucene.search.spans.SpanOrQuery$SpanQueue.lessThan(SpanOrQuery.java:147)
[junit4] > at
org.apache.lucene.util.PriorityQueue.upHeap(PriorityQueue.java:258)
[junit4] > at
org.apache.lucene.util.PriorityQueue.add(PriorityQueue.java:135)
[junit4] > at
org.apache.lucene.search.spans.SpanOrQuery.getSpans(SpanOrQuery.java:187)
[junit4] > at
org.apache.lucene.search.spans.SpanNearQuery.getSpans(SpanNearQuery.java:128)
[junit4] > at
org.apache.lucene.search.spans.SpanNearQuery.getSpans(SpanNearQuery.java:128)
[junit4] > at
org.apache.lucene.search.spans.SpanWeight.scorer(SpanWeight.java:92)
[junit4] > at
org.apache.lucene.search.Weight.bulkScorer(Weight.java:127)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:540)
[junit4] > at
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:347)
[junit4] > at
org.apache.lucene.queryparser.surround.query.BooleanQueryTst.doTest(BooleanQueryTst.java:127)
[junit4] > at
org.apache.lucene.queryparser.surround.query.Test03Distance.distanceTst(Test03Distance.java:76)
[junit4] > at
org.apache.lucene.queryparser.surround.query.Test03Distance.distanceTest3(Test03Distance.java:242)
[junit4] > at
org.apache.lucene.queryparser.surround.query.Test03Distance.test3Example01(Test03Distance.java:247)
[junit4] > at java.lang.Thread.run(Thread.java:745)
{noformat}
> SpansEnum, deprecate Spans
> --------------------------
>
> Key: LUCENE-6308
> URL: https://issues.apache.org/jira/browse/LUCENE-6308
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: Trunk
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: LUCENE-6308-changeapi.patch, LUCENE-6308.patch,
> LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch, LUCENE-6308.patch,
> LUCENE-6308.patch
>
>
> An alternative for Spans that looks more like PositionsEnum and adds two
> phase doc id iteration
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