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From: Ian Lea <ian.lea@gmail.com>
Date: Thu, 10 Mar 2011 10:54:22 +0000
Message-ID: <AANLkTiniCTGKe+cYerEEwr_CyJJpg2-1Yqv_xAMShCud@mail.gmail.com>
Subject: Re: reopen with optimize and FileNotFoundException
To: java-user@lucene.apache.org
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Usage sounds OK, but missing files on IndexReader.reopen definitely
doesn't sound OK.

2.3.2 is ancient and there have been many improvements since then.
I'd upgrade if possible.

You could also try losing the optimizes.  On recent releases you don't
really need to use it. Not sure about 2.3.2 though.


--
Ian.


On Wed, Mar 9, 2011 at 7:44 PM, bart_212 <wojtekg212@gmail.com> wrote:
> Hi,
> I have two web applications that uses lucene 2.3.2. Both share the same
> index and can write or read. Writing is synchronized based on file system=
 to
> allow only one IndexWriter to work at the moment. There can be multiple
> IndexReader. IndexReader is stored and before searching, there is done
> #reopen on it. IndexWriter can add/delete group of documents and can
> optimize the index while searching is performed (multiple threads can
> search).
> I'm wondering if these operations are thread safe and don't corrupt the
> index? I have observed the following exception when one IndexWriter was
> adding =A0and one IndexReader was reopened to search:
>
> java.io.FileNotFoundException: /tmp/test/index/_7y.tis
> RandomAccessFile.open(String, int) line: not available [native method]
> FSDirectory$FSIndexInput$Descriptor(RandomAccessFile).(File, String) line=
:
> 212
> FSDirectory$FSIndexInput$Descriptor.(File, String) line: 506
> FSDirectory$FSIndexInput.(File, int) line: 536
> FSDirectory.openInput(String, int) line: 445
> TermInfosReader.(Directory, String, FieldInfos, int) line: 61
> SegmentReader.initialize(SegmentInfo, int, boolean) line: 317
> SegmentReader.get(Directory, SegmentInfo, SegmentInfos, boolean, boolean,
> int, boolean) line: 262
> SegmentReader.get(SegmentInfo) line: 197
> MultiSegmentReader.(Directory, SegmentInfos, boolean, SegmentReader[],
> int[], Map) line: 109
> MultiSegmentReader.doReopen(SegmentInfos) line: 203
> DirectoryIndexReader$2.doBody(String) line: 98
> DirectoryIndexReader$2(SegmentInfos$FindSegmentsFile).run() line: 636
> MultiSegmentReader(DirectoryIndexReader).reopen() line: 92
> IndexReaderManager.reopenReader(FileProxy, IndexReader) line: 92
> IndexReaderManager.getIndexReader(FileProxy) line: 76
> IndexSearcherFactory.createIndexSearcher(FileProxy) line: 66
>
> This exception is caught inside, however is it ok that the file is missin=
g
> or maybe there is some problem with usage? Please clarify.
>
> --
> View this message in context: http://lucene.472066.n3.nabble.com/reopen-w=
ith-optimize-and-FileNotFoundException-tp2656875p2656875.html
> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>
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