https://issues.apache.org/jira/browse/LUCENE-2144
9 dec 2009 kl. 23.22 skrev Uwe Schindler:
This is a bug in InstantiatedIndex. The termDoc(null) was added to
get all
documents. This was never implemented in Instantiated Index. Can you
open an
issue?
There maybe other queries fail because of this (e.g.
FieldCacheRangeFilter,...).
-----
Uwe Schindler
H.-H.-Meier-Allee 63, D-28213 Bremen
http://www.thetaphi.de
eMail: u...@thetaphi.de
-----Original Message-----
From: Jason Fennell [mailto:jdfenn...@gmail.com]
Sent: Wednesday, December 09, 2009 7:48 PM
To: java-user@lucene.apache.org
Subject: MatchAllDocsQuery and InstantiatedIndex on Lucene 2.9.1
I'm trying to upgrade our application from Lucene 2.4.1 to Lucene
2.9.1.
I've been using an InstantiatedIndex to do a bunch of unit testing,
but am
running into a some problems with Lucene 2.9.1.
In particular, when I try to run a MatchAllDocsQuery on my
InstantiatedIndex
(which worked fine on 2.4.1) a NullPointerException is raised. I
think I
tracked down the problem in the Lucene source.
In the 2.9.1 MatchAllDocsQuery, the MatchAllScorer retrieves
termDocs from
the IndexReader passed to it with
reader.termDocs(null)
which I assume is supposed to return all termDocs. However,
tracing this
call down
IndexReader.termDocs(term) calls InstantiatedTermDocs.seek(
term) calls InstantiatedIndex.findTerm(term)
which is implemented as
InstantiatedTerm findTerm(Term term) {
return findTerm(term.field(), term.text());
}
which, since term is null, results in a NullPointerException. This
seems
to
me like an bug either in the MatchAllDocsQuery implementation (the
version
in 2.4.1 did not use termDocs, so did not pass through this null),
or a
bug
in the implementation of InstantiatedIndex.
Any suggestions on what I can do about this? I definitely can't
get rid
of
the MatchAllDocsQuery and don't really want to move back to a slow
RAMDirectory.
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