Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/lucene/st ore/FSDirectory
^^^ Why one blank here?
On 2/24/06, Wong Ting Kiong <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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 <[EMAIL PROTECTED]> 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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