I think you will find this is just a bug that was
fixed a while ago and your problem will disappear
if you upgrade.
--
Ian.
ian@digimem.net
> Armbrust.Daniel@mayo.edu ("Armbrust, Daniel C.") wrote
>
> I want to know if this is supposed to be a legal thing to do with lucene:
>
> I indexed some files into index 1 that had fields x, y, and z.
>
> I indexed some files into a index 2 that had fields x, y, q.
>
> I used a multisearcher on the two indexes, and search for things like
>
> q:term
>
> So far, this all works. However, if I search for
>
> q:ter*
>
> lucene throws an exception. Specifically:
> Opening index:
> /people/medinf1/projects/vocabulary/CNI/test/prototype/index...done
> Opening index:
> /people/medinf1/projects/vocabulary/CNI/test/prototype/index2...done
> Enter query: q:mit*
> java.lang.NullPointerException
> at org.apache.lucene.index.SegmentTermEnum.clone(Unknown Source)
> at org.apache.lucene.index.TermInfosReader.terms(Unknown Source)
> at org.apache.lucene.index.SegmentReader.terms(Unknown Source)
> at org.apache.lucene.search.PrefixQuery.getQuery(Unknown Source)
> at org.apache.lucene.search.PrefixQuery.sumOfSquaredWeights(Unknown
> Source)
> at org.apache.lucene.search.BooleanQuery.sumOfSquaredWeights(Unknown
> Source)
> at org.apache.lucene.search.Query.scorer(Unknown Source)
> at org.apache.lucene.search.IndexSearcher.search(Unknown Source)
> at org.apache.lucene.search.MultiSearcher.search(Unknown Source)
> at org.apache.lucene.search.Hits.getMoreDocs(Unknown Source)
> at org.apache.lucene.search.Hits.<init>(Unknown Source)
> at org.apache.lucene.search.Searcher.search(Unknown Source)
> at org.apache.lucene.search.Searcher.search(Unknown Source)
> at
> edu.mayo.mir.cni.search.SearchTest.commandLineTest(SearchTest.java:82)
> at edu.mayo.mir.cni.search.SearchTest.main(SearchTest.java:175)
>
> Should I be able to do this?
> If so, I'll grab a copy of the newest release of lucene (I'm using 1.2 beta
> 1 now I think) and see if it still happens. I'll try to write up a self
> contained bug test too, but I'm not sure I'll be able to do that for a
> couple of days.
>
> Thanks,
>
> Dan
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