retrieve data from index file

Exception in thread "main"
java.lang.NoClassDefFoundError:
org/apache/lucene/st ore/FSDirectory
                             ^^^ Why one blank here?


On 2/24/06, Wong Ting Kiong <wongtingkionggmail.com> wrote:
> hi,
> I had tried some java codes calling lucene lib
lucene-1.9-rc1-dev.jar, but
> got error, my java code is like below:
>
> import org.apache.lucene.index.IndexReader;
> import org.apache.lucene.store.*;
> import java.io.*;
> import java.util.*;
>
> public class hello
> {
>
>    public static void main(String[] args)throws
Exception
>    {
>      System.out.println("Hello world!");
>      File indexDir = new
File("./publication/index");
>      Boolean bb = true;
>      Directory fsDir =
FSDirectory.getDirectory(indexDir,false);
>
>
>    }
>
> }
> below is the statement noted in ubuntu OS's Terminal :
-
>
> luceneJava$ export CLASSPATH=/opt/nutch-0.7
.1/luceneJava/lucene-
> 1.9-rc1-dev.jar
> luceneJava$ export JAVA_HOME=/opt/jdk1.5.0_ 06
> luceneJava$ /opt/jdk1.5.0_06/bin/javac hello.java
> luceneJava$ java -classpath . hello
> Hello world!
> Exception in thread "main"
java.lang.NoClassDefFoundError:
> org/apache/lucene/st ore/FSDirectory
>          at hello.main(hello.java:14)
>
> I'm using ubuntu as my OS, actually this code run ok
in window XP, but not
> for ubuntu. can anyone check the error for me? thanks
for your attention.
>
> regards,
> Wong
>
>
> On 2/23/06, Stefan Groschupf <sgmedia-style.com> wrote:
> >
> > Hi Wong,
> > take a look to:
> > http://lucene.apache.org/java/docs/api/org/apache
/lucene/index/
> > IndexReader.html
> > There are many code snippets in the net that will
show you how you
> > can use it.
> > In general I found the book lucene in action a
useful guide when
> > working with lucene.
> >
> > Stefan
> >
> > Am 23.02.2006 um 02:37 schrieb Wong Ting Kiong:
> >
> > > hi,
> > > Is there any example of java code that i can
read the data from
> > > index file
> > > in segments? I had tried segmentReader,
ArrayfileReader, and
> > > SequenceReader.... feel confuse. Thanks.
> > >
> > > Wong
> > >
> > > On 1/24/06, Stefan Groschupf <sgmedia-style.com> wrote:
> > >>
> > >> you can calculate these statistics from
the segment data, e.g. parsed
> > >> text.
> > >> To read the nutch file format is easy
possible using the Nutch
> > >> Readers e.g. SequenceFile Reader.
> > >> Just take a look to the io package.
> > >>
> > >> HTH
> > >> Stefan
> > >>
> > >>
> > >> Am 24.01.2006 um 08:18 schrieb Wong Ting
Kiong:
> > >>
> > >>> hi all,
> > >>>
> > >>> I'm now using nutch 0.7.1, and I
wish to retrieve content from
> > >>> index file,
> > >>> how can i retrieve? Information that
i want to retrieve are
> > >>> - list of words from each links
> > >>> - occurance of words in each links
> > >>> can i retrieve these information in
raw data format?
> > >>>
> > >>> thanks for your attention
> > >>>
> > >>> Kiong
> > >>
> > >>
> >
> >
------------------------------------------------------------
---
> > company:        http://www.media-style.com

> > forum:        http://www.text-mining.org

> > blog:            http://www.find23.net
> >
> >
> >
> >
>
>


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