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Date: Fri, 16 Oct 2009 12:09:07 -0400
Message-ID: <e994873a0910160909j54e0d30dj4c998183bc51758e@mail.gmail.com>
Subject: Re: NPE in NearSpansUnordered
From: Peter Keegan <peterlkeegan@gmail.com>
To: java-user@lucene.apache.org
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I can reproduce this with a unit test - will post to JIRA shortly.
Peter

On Fri, Oct 16, 2009 at 8:06 AM, Peter Keegan <peterlkeegan@gmail.com>wrote:

> next() is called in PayloadNearQuery->setFreqCurrentDoc:
> super.setFreqCurrentDoc();
> But, I think it should be called before 'getPayloads'. That doesn't fix the
> NPE, though.
> The empty PQ occurs in the outermost span in the query, and seems to fail
> on the last document it scores.
> Prior to 2.9, I'd been using a patch on 2.3.2. and never saw the NPE.
>
> Peter
>
>
> On Fri, Oct 16, 2009 at 6:53 AM, Grant Ingersoll <gsingers@apache.org>wrote:
>
>> And, you don't get this on 2.4.1?
>>
>> Are you sure you've called next()?  Is it by chance on the first document
>> it tries to score that it fails?
>>
>> -Grant
>>
>>
>>
>>
>> On Oct 15, 2009, at 1:28 PM, Peter Keegan wrote:
>>
>>  The query is:
>>> +payloadNear([spanNear([contents:insurance, contents:agent], 10000,
>>> false),
>>> spanNear([contents:winston, contents:salem], 10000, false)], 10, false)
>>> It's using the default payload function scorer (average value)
>>>
>>> It doesn't happen on all queries of this type, only a handful. This is
>>> production-like index of > 1million docs. I haven't been able to
>>> reproduce
>>> with a simple index, unfortunately.
>>>
>>> Peter
>>>
>>> On Thu, Oct 15, 2009 at 1:21 PM, Yonik Seeley <
>>> yonik@lucidimagination.com>wrote:
>>>
>>>  Are you using any custom query types?  Anything to help us reproduce
>>>> (like the acutal query this happened on) would be greatly appreciated.
>>>>
>>>> -Yonik
>>>> http://www.lucidimagination.com
>>>>
>>>>
>>>> On Thu, Oct 15, 2009 at 1:17 PM, Peter Keegan <peterlkeegan@gmail.com>
>>>> wrote:
>>>>
>>>>> I'm using Lucene 2.9 and sometimes get a NPE in NearSpansUnordered:
>>>>>
>>>>> <java.lang.NullPointerException>java.lang.NullPointerException
>>>>> at
>>>>>
>>>>> org.apache.lucene.search.spans.NearSpansUnordered.start(NearSpansUnordered.java:219)
>>>>
>>>>> at
>>>>>
>>>>> org.apache.lucene.search.payloads.PayloadNearQuery$PayloadNearSpanScorer.processPayloads(PayloadNearQuery.java:201)
>>>>
>>>>> at
>>>>>
>>>>> org.apache.lucene.search.payloads.PayloadNearQuery$PayloadNearSpanScorer.getPayloads(PayloadNearQuery.java:180)
>>>>
>>>>> at
>>>>>
>>>>> org.apache.lucene.search.payloads.PayloadNearQuery$PayloadNearSpanScorer.getPayloads(PayloadNearQuery.java:183)
>>>>
>>>>> at
>>>>>
>>>>> org.apache.lucene.search.payloads.PayloadNearQuery$PayloadNearSpanScorer.setFreqCurrentDoc(PayloadNearQuery.java:214)
>>>>
>>>>> at
>>>>> org.apache.lucene.search.spans.SpanScorer.nextDoc(SpanScorer.java:64)
>>>>> at org.apache.lucene.search.Scorer.score(Scorer.java:74)
>>>>> at
>>>>> org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:247)
>>>>> at org.apache.lucene.search.Searcher.search(Searcher.java:152)
>>>>>
>>>>> The CellQueue pq is empty when this occurs. Are there any conditions in
>>>>> which the queue might be expected to be empty?
>>>>>
>>>>> Peter
>>>>>
>>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
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>>>>
>>>>
>>>>
>> --------------------------
>> Grant Ingersoll
>> http://www.lucidimagination.com/
>>
>> Search the Lucene ecosystem (Lucene/Solr/Nutch/Mahout/Tika/Droids) using
>> Solr/Lucene:
>> http://www.lucidimagination.com/search
>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
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>>
>>
>

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