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From: Allahbaksh Mohammedali Asadullah <Allahbaksh_Asadullah@infosys.com>
To: "java-user@lucene.apache.org" <java-user@lucene.apache.org>
Date: Fri, 15 Feb 2008 22:39:08 +0530
Subject: RE: Boost value corrupted "read eof exception"
Thread-Topic: Boost value corrupted "read eof exception"
Thread-Index: Achv9L8bxuMnfDTRSKSrK1wowBdlrAAAHPaw
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 <6B028357-D045-4387-B1E5-78063A882054@mikemccandless.com>
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Hi,
Thanks for your valuable time.Could you get the same boost value what you h=
ad stored. In my case I always get boost value as 1 ie. Default value. When=
 I debug it goes through IOException though it does not show any Exception =
on the console in eclipse.

Regards,
Allahbaksh


-----Original Message-----
From: Michael McCandless [mailto:lucene@mikemccandless.com]
Sent: Friday, February 15, 2008 10:34 PM
To: java-user@lucene.apache.org
Subject: Re: Boost value corrupted "read eof exception"


I had to comment out the "search" lines.

But then when I run this I don't hit any exception.  Tested on Linux
& Windows XP.

Mike

Allahbaksh Mohammedali Asadullah wrote:

>
> Hi,
> I am using lucene 2.3. The exception is properly handled when I run
> the program by lucene but when I debug it it hit the exception at
> addDocuement.
> Regards,
> Allahbaksh
>
>
>
> import java.io.IOException;
>
> import java.io.StringReader;
>
>
>
> import org.apache.lucene.search.Hits;
>
> import org.apache.lucene.search.Query;
>
> import org.apache.lucene.document.Field;
>
> import org.apache.lucene.search.Searcher;
>
> import org.apache.lucene.index.IndexWriter;
>
> import org.apache.lucene.document.Document;
>
> import org.apache.lucene.store.FSDirectory;
>
> import org.apache.lucene.store.RAMDirectory;
>
> import org.apache.lucene.search.IndexSearcher;
>
> import org.apache.lucene.queryParser.QueryParser;
>
> import org.apache.lucene.queryParser.ParseException;
>
> import org.apache.lucene.analysis.StopAnalyzer;
>
> import org.apache.lucene.analysis.standard.StandardAnalyzer;
>
>
>
> public class InMemoryExample {
>
>
>
>     public static void main(String[] args) throws IOException {
>
>         // Construct a RAMDirectory to hold the in-memory
> representation
>
>         // of the index.
>
>         RAMDirectory idx =3D new RAMDirectory();
>
>         FSDirectory fs =3DFSDirectory.getDirectory("Z:\\lucene_index");
>
>         //idx.createOutput("d:/idx");
>
>         try {
>
>             // Make an writer to create the index
>
>             IndexWriter writer =3D
>
>                 new IndexWriter(fs,  true,new StandardAnalyzer());
>
>
>
>             // Add some Document objects containing quotes
>
>             writer.addDocument(createDocument("Theodore Roosevelt",
>
>             //    "It behooves every man to remember that the work
> of the " +
>
>               //  "critic, is of altogether secondary importance,
> and that, " +
>
>               //"in the end, progress is accomplished by the man
> who does " +
>
>                 "things."));
>
>             writer.addDocument(createDocument("Friedrich Hayek",
>
> //                "The case for individual freedom rests largely on
> the " +
>
>
>
>
>
>                         //"recognition of the inevitable and
> universal ignorance " +
>
>                 //"of all of us concerning a great many of the
> factors on " +
>
>                 "which the achievements of our ends and welfare
> depend."),new StandardAnalyzer());
>
>             writer.addDocument(createDocument("Ayn Rand",
>
>                 //"There is nothing to take a man's freedom away
> from " +
>
>                 //"him, save other men. To be free, a man must be
> free " +
>
>                 "of his brothers."));
>
>             writer.addDocument(createDocument("Mohandas Gandhi",
>
>                 //"Freedom is not worth having if it does not
> connote " +
>
>                 "freedom to err."));
>
>
>
>             // Optimize and close the writer to finish building the
> index
>
>            // writer.optimize();
>
>             writer.close();
>
>
>
>             // Build an IndexSearcher using the in-memory index
>
>             Searcher searcher =3D new IndexSearcher(fs);
>
>
>
>             // Run some queries
>
>             search(searcher, "freedom");
>
>             search(searcher, "free");
>
>             search(searcher, "progress or achievements");
>
>
>
>             searcher.close();
>
>         }
>
>         catch(IOException ioe) {
>
>             // In this example we aren't really doing an I/O, so this
>
>             // exception should never actually be thrown.
>
>             ioe.printStackTrace();
>
>         }
>
>         catch(ParseException pe) {
>
>             pe.printStackTrace();
>
>         }
>
>     }    private static Document createDocument(String title,
> String content) {
>
>         Document doc =3D new Document();
>
>
>
>         // Add the title as an unindexed field...
>
>         Field f1 =3D new Field("title",title,
> Field.Store.YES,Field.Index.TOKENIZED);
>
>         float temp =3D (float)Math.random();
>
>
>
>         System.out.print("Title of document is "+title +" Field 1
> Boost value "+temp);
>
>         f1.setBoost(temp);
>
>         doc.add(f1);
>
>
>
>         // ...and the content as an indexed field. Note that indexed
>
>         // Text fields are constructed using a Reader. Lucene can read
>
>         // and index very large chunks of text, without storing the
>
>         // entire content verbatim in the index. In this example we
>
>         // can just wrap the content string in a StringReader.
>
>
>
>         temp =3D(float)Math.random();
>
>         Field f2 =3Dnew Field
> ("content",content,Field.Store.YES,Field.Index.TOKENIZED);
>
>         f2.setBoost(temp);
>
>         doc.add(f2);
>
>         System.out.println(" Field 2 Boost value is " +temp);
>
>         return doc;
>
>     }
>
> }
>
>
> Allahbaksh Mohammedali Asadullah,
> Software Engineering & Technology Labs,
> Infosys Technolgies Limited, Electronics City,
> Hosur Road, Bangalore 560 100, India.
> *Board: +91-80-28520261 | Extn: 53915 | Direct: 41173915.
> Fax: +91-80-28520362 | Mobile: +91-9845505322.
> http://setlabs/slim/
> http://allahbaksh.blogspot.com
>
> -----Original Message-----
> From: Michael McCandless [mailto:lucene@mikemccandless.com]
> Sent: Friday, February 15, 2008 9:57 PM
> To: java-user@lucene.apache.org
> Subject: Re: Boost value corrupted "read eof exception"
>
>
> Which version of Lucene are you using?
>
> Can you post the full stack trace for the exception you're hitting?
>
> Mike
>
> Allahbaksh Mohammedali Asadullah wrote:
>
>>
>> Hi,
>> I am getting read past eof  exception when I am adding Document.
>> The things works fine but while I read the Boost value I get it as
>> default value i.e 1.0. I tried using RAMDirectory then also I am
>> getting the same error.
>> Can someone throw some light on this.
>>
>> Warm Regards,
>> Allahbaksh
>>
>>
>>
>>
>>
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